./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c600572e2ed529956b40835195a4eee11b85e42771b4192ee8cf4524fe49d111 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:53:47,102 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:53:47,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:53:47,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:53:47,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:53:47,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:53:47,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:53:47,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:53:47,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:53:47,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:53:47,207 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:53:47,208 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:53:47,209 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:53:47,209 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:53:47,210 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:53:47,210 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:53:47,211 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:53:47,211 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:53:47,212 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:53:47,213 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:53:47,213 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:53:47,217 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:53:47,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:53:47,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:53:47,219 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:53:47,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:53:47,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:53:47,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:53:47,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:53:47,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:53:47,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:53:47,224 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:53:47,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:53:47,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:53:47,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:53:47,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:53:47,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:47,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:53:47,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:53:47,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:53:47,227 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:53:47,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:53:47,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:53:47,229 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:53:47,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:53:47,230 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_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c600572e2ed529956b40835195a4eee11b85e42771b4192ee8cf4524fe49d111 [2023-11-19 04:53:47,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:53:47,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:53:47,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:53:47,589 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:53:47,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:53:47,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i [2023-11-19 04:53:50,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:53:51,090 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:53:51,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i [2023-11-19 04:53:51,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/data/9cbbf6589/70f0adc33040446e805d2a999c1ca568/FLAG0c624055d [2023-11-19 04:53:51,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/data/9cbbf6589/70f0adc33040446e805d2a999c1ca568 [2023-11-19 04:53:51,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:53:51,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:53:51,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:51,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:53:51,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:53:51,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387bcaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51, skipping insertion in model container [2023-11-19 04:53:51,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:53:51,390 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_0857a179-7c4f-4c07-be1a-418e8f87b7dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i[915,928] [2023-11-19 04:53:51,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:51,483 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:53:51,498 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_0857a179-7c4f-4c07-be1a-418e8f87b7dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i[915,928] [2023-11-19 04:53:51,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:51,564 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:53:51,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51 WrapperNode [2023-11-19 04:53:51,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:51,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:51,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:53:51,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:53:51,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,656 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-19 04:53:51,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:51,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:53:51,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:53:51,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:53:51,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:53:51,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:53:51,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:53:51,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:53:51,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (1/1) ... [2023-11-19 04:53:51,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:51,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:51,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:53:51,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:53:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:53:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:53:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:53:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:53:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:53:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:53:51,925 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:53:51,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:53:52,393 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:53:52,671 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:53:52,671 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:53:52,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:52 BoogieIcfgContainer [2023-11-19 04:53:52,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:53:52,685 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:53:52,685 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:53:52,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:53:52,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:53:51" (1/3) ... [2023-11-19 04:53:52,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c76039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:52, skipping insertion in model container [2023-11-19 04:53:52,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:51" (2/3) ... [2023-11-19 04:53:52,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c76039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:52, skipping insertion in model container [2023-11-19 04:53:52,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:52" (3/3) ... [2023-11-19 04:53:52,696 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-69.i [2023-11-19 04:53:52,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:53:52,720 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:53:52,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:53:52,787 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;@a816bda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:53:52,787 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:53:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:53:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 04:53:52,811 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:52,812 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:52,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:52,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:52,824 INFO L85 PathProgramCache]: Analyzing trace with hash -377565335, now seen corresponding path program 1 times [2023-11-19 04:53:52,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:52,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029980414] [2023-11-19 04:53:52,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:52,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:53:53,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:53:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:53:53,821 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:53:53,824 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:53:53,825 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:53:53,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:53:53,831 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:53:53,835 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:53:53,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:53:53 BoogieIcfgContainer [2023-11-19 04:53:53,965 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:53:53,967 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:53:53,967 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:53:53,968 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:53:53,968 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:52" (3/4) ... [2023-11-19 04:53:53,974 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:53:53,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:53:53,976 INFO L158 Benchmark]: Toolchain (without parser) took 2848.67ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 86.4MB in the beginning and 87.2MB in the end (delta: -757.1kB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2023-11-19 04:53:53,977 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:53:53,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.56ms. Allocated memory is still 123.7MB. Free memory was 86.0MB in the beginning and 72.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:53:53,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.67ms. Allocated memory is still 123.7MB. Free memory was 72.1MB in the beginning and 68.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:53:53,981 INFO L158 Benchmark]: Boogie Preprocessor took 59.19ms. Allocated memory is still 123.7MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:53:53,985 INFO L158 Benchmark]: RCFGBuilder took 960.62ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 66.8MB in the beginning and 105.1MB in the end (delta: -38.2MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-19 04:53:53,986 INFO L158 Benchmark]: TraceAbstraction took 1280.17ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 87.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:53:53,987 INFO L158 Benchmark]: Witness Printer took 8.13ms. Allocated memory is still 169.9MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:53:53,995 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 123.7MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.56ms. Allocated memory is still 123.7MB. Free memory was 86.0MB in the beginning and 72.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.67ms. Allocated memory is still 123.7MB. Free memory was 72.1MB in the beginning and 68.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.19ms. Allocated memory is still 123.7MB. Free memory was 68.6MB in the beginning and 66.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 960.62ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 66.8MB in the beginning and 105.1MB in the end (delta: -38.2MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1280.17ms. Allocated memory is still 169.9MB. Free memory was 104.1MB in the beginning and 87.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 8.13ms. Allocated memory is still 169.9MB. Free memory is still 87.2MB. 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 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 4; [L23] signed short int var_1_3 = 128; [L24] signed short int var_1_4 = 10; [L25] unsigned char var_1_5 = 200; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 64; [L29] signed char var_1_9 = -128; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] double var_1_12 = 32.75; [L33] double var_1_13 = 255.6; [L34] signed short int var_1_14 = 8; [L35] unsigned long int var_1_15 = 256; [L36] unsigned long int var_1_16 = 4031871391; [L37] unsigned long int var_1_17 = 3083112228; [L38] unsigned long int var_1_18 = 3058504136; [L39] unsigned long int var_1_19 = 1902304375; [L40] unsigned char var_1_20 = 1; [L41] unsigned char var_1_22 = 0; [L42] unsigned char var_1_23 = 1; [L43] unsigned char last_1_var_1_1 = 4; [L44] signed char last_1_var_1_9 = -128; [L45] signed short int last_1_var_1_14 = 8; [L152] isInitial = 1 [L153] FCALL initially() [L154] COND TRUE 1 [L155] CALL updateLastVariables() [L143] last_1_var_1_1 = var_1_1 [L144] last_1_var_1_9 = var_1_9 [L145] last_1_var_1_14 = var_1_14 [L155] RET updateLastVariables() [L156] CALL updateVariables() [L97] var_1_3 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L99] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L100] var_1_4 = __VERIFIER_nondet_short() [L101] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L102] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L103] var_1_5 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_5 >= 190) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L105] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L106] var_1_6 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L108] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L109] var_1_7 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=64, var_1_9=-128] [L111] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=64, var_1_9=-128] [L112] var_1_8 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L114] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L117] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L120] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L121] var_1_13 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L123] var_1_16 = __VERIFIER_nondet_ulong() [L124] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L125] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L126] var_1_17 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L128] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L129] var_1_18 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L131] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L132] var_1_19 = __VERIFIER_nondet_ulong() [L133] CALL assume_abort_if_not(var_1_19 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_19 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L134] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L135] var_1_22 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L137] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L138] var_1_23 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L140] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=131/4, var_1_13=9223372043297226788, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-128] [L156] RET updateVariables() [L157] CALL step() [L49] signed long int stepLocal_5 = last_1_var_1_9; [L50] COND TRUE stepLocal_5 < last_1_var_1_1 [L51] var_1_20 = ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)) [L55] COND TRUE var_1_20 || (var_1_6 <= var_1_8) [L56] var_1_14 = var_1_6 [L58] signed long int stepLocal_0 = var_1_3 - var_1_4; [L59] COND TRUE last_1_var_1_14 >= stepLocal_0 [L60] var_1_1 = ((var_1_5 - ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7)))) - var_1_8) [L64] unsigned char stepLocal_2 = var_1_20; [L65] signed long int stepLocal_1 = var_1_8 - var_1_5; [L66] COND FALSE !(stepLocal_1 >= var_1_1) [L73] var_1_9 = var_1_5 [L75] unsigned char stepLocal_4 = var_1_7; [L76] unsigned char stepLocal_3 = var_1_20; [L77] COND FALSE !(stepLocal_4 > var_1_1) [L88] var_1_12 = var_1_13 [L90] COND TRUE var_1_12 < var_1_13 [L91] var_1_15 = (((((((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) > (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18))))) ? (((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) : (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18)))))) - (var_1_19 - 32u)) [L157] RET step() [L158] CALL, EXPR property() [L148-L149] return ((((((last_1_var_1_14 >= (var_1_3 - var_1_4)) ? (var_1_1 == ((unsigned char) ((var_1_5 - ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7)))) - var_1_8))) : (var_1_1 == ((unsigned char) (32 + var_1_7)))) && (((var_1_8 - var_1_5) >= var_1_1) ? ((var_1_20 || var_1_20) ? (var_1_9 == ((signed char) var_1_6)) : (var_1_9 == ((signed char) var_1_7))) : (var_1_9 == ((signed char) var_1_5)))) && ((var_1_7 > var_1_1) ? ((((var_1_1 + var_1_9) == var_1_1) && var_1_20) ? ((! var_1_20) ? (var_1_12 == ((double) var_1_13)) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13)))) && ((var_1_20 || (var_1_6 <= var_1_8)) ? (var_1_14 == ((signed short int) var_1_6)) : 1)) && ((var_1_12 < var_1_13) ? (var_1_15 == ((unsigned long int) (((((((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) > (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18))))) ? (((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) : (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18)))))) - (var_1_19 - 32u)))) : (var_1_15 == ((unsigned long int) (var_1_18 - var_1_19))))) && ((last_1_var_1_9 < last_1_var_1_1) ? (var_1_20 == ((unsigned char) ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)))) : (var_1_20 == ((unsigned char) var_1_23))) ; [L158] RET, EXPR property() [L158] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=9223372043297226788, var_1_13=9223372043297226788, var_1_14=0, var_1_15=2147483679, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-66] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=1, var_1_12=9223372043297226788, var_1_13=9223372043297226788, var_1_14=0, var_1_15=2147483679, var_1_16=4294967294, var_1_17=2147483647, var_1_18=4294967294, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=-1, var_1_4=0, var_1_5=190, var_1_6=0, var_1_7=63, var_1_8=127, var_1_9=-66] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 29, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:53:54,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c600572e2ed529956b40835195a4eee11b85e42771b4192ee8cf4524fe49d111 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:53:56,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:53:56,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:53:56,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:53:56,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:53:56,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:53:56,875 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:53:56,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:53:56,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:53:56,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:53:56,883 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:53:56,883 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:53:56,884 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:53:56,886 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:53:56,886 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:53:56,887 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:53:56,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:53:56,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:53:56,889 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:53:56,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:53:56,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:53:56,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:53:56,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:53:56,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:53:56,892 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:53:56,893 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:53:56,893 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:53:56,894 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:53:56,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:53:56,894 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:53:56,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:53:56,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:53:56,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:53:56,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:56,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:53:56,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:53:56,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:53:56,898 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:53:56,898 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:53:56,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:53:56,899 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:53:56,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:53:56,900 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_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c600572e2ed529956b40835195a4eee11b85e42771b4192ee8cf4524fe49d111 [2023-11-19 04:53:57,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:53:57,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:53:57,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:53:57,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:53:57,352 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:53:57,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i [2023-11-19 04:54:00,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:54:00,831 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:54:00,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i [2023-11-19 04:54:00,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/data/e5a7eb070/18b9bac49de44e69802f65dd55ee3946/FLAGf6c8ee869 [2023-11-19 04:54:00,880 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/data/e5a7eb070/18b9bac49de44e69802f65dd55ee3946 [2023-11-19 04:54:00,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:54:00,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:54:00,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:00,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:54:00,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:54:00,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:00" (1/1) ... [2023-11-19 04:54:00,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9dd76d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:00, skipping insertion in model container [2023-11-19 04:54:00,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:00" (1/1) ... [2023-11-19 04:54:00,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:54:01,134 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_0857a179-7c4f-4c07-be1a-418e8f87b7dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i[915,928] [2023-11-19 04:54:01,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:01,239 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:54:01,261 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_0857a179-7c4f-4c07-be1a-418e8f87b7dd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-69.i[915,928] [2023-11-19 04:54:01,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:54:01,347 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:54:01,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01 WrapperNode [2023-11-19 04:54:01,348 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:01,349 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:01,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:54:01,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:54:01,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,423 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-19 04:54:01,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:54:01,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:54:01,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:54:01,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:54:01,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,461 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:54:01,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:54:01,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:54:01,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:54:01,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (1/1) ... [2023-11-19 04:54:01,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:01,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:54:01,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:54:01,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:54:01,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:54:01,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:54:01,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:54:01,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:54:01,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:54:01,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:54:01,645 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:54:01,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:54:02,152 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:54:02,161 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:54:02,161 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:54:02,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:02 BoogieIcfgContainer [2023-11-19 04:54:02,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:54:02,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:54:02,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:54:02,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:54:02,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:54:00" (1/3) ... [2023-11-19 04:54:02,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69883ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:02, skipping insertion in model container [2023-11-19 04:54:02,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:01" (2/3) ... [2023-11-19 04:54:02,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69883ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:54:02, skipping insertion in model container [2023-11-19 04:54:02,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:54:02" (3/3) ... [2023-11-19 04:54:02,175 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-69.i [2023-11-19 04:54:02,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:54:02,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:54:02,257 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:54:02,264 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;@73b1a978, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:54:02,264 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:54:02,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-19 04:54:02,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 04:54:02,289 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:02,290 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:02,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:02,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:02,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1408786731, now seen corresponding path program 1 times [2023-11-19 04:54:02,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:54:02,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265189295] [2023-11-19 04:54:02,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:02,335 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 [2023-11-19 04:54:02,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:54:02,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:54:02,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:54:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:02,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:54:02,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:54:03,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 04:54:03,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:54:03,216 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:54:03,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265189295] [2023-11-19 04:54:03,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265189295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:03,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:03,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:54:03,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806131887] [2023-11-19 04:54:03,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:03,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:54:03,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:54:03,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:54:03,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:54:03,267 INFO L87 Difference]: Start difference. First operand has 75 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 44 states have internal predecessors, (57), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:54:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:03,717 INFO L93 Difference]: Finished difference Result 212 states and 394 transitions. [2023-11-19 04:54:03,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:54:03,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 178 [2023-11-19 04:54:03,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:03,734 INFO L225 Difference]: With dead ends: 212 [2023-11-19 04:54:03,734 INFO L226 Difference]: Without dead ends: 140 [2023-11-19 04:54:03,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:54:03,743 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 77 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:54:03,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 407 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:54:03,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-19 04:54:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 122. [2023-11-19 04:54:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 61 states have internal predecessors, (71), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 04:54:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 187 transitions. [2023-11-19 04:54:03,826 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 187 transitions. Word has length 178 [2023-11-19 04:54:03,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:03,828 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 187 transitions. [2023-11-19 04:54:03,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:54:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 187 transitions. [2023-11-19 04:54:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 04:54:03,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:03,833 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:03,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 04:54:04,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:54:04,038 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:04,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:04,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1995592745, now seen corresponding path program 1 times [2023-11-19 04:54:04,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:54:04,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249041235] [2023-11-19 04:54:04,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:04,041 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:54:04,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:54:04,043 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:54:04,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:54:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:04,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:54:04,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:54:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-19 04:54:04,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:54:04,328 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:54:04,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249041235] [2023-11-19 04:54:04,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249041235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:54:04,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:54:04,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:54:04,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885008827] [2023-11-19 04:54:04,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:54:04,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:54:04,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:54:04,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:54:04,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:54:04,333 INFO L87 Difference]: Start difference. First operand 122 states and 187 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:54:04,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:54:04,511 INFO L93 Difference]: Finished difference Result 194 states and 295 transitions. [2023-11-19 04:54:04,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:54:04,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 178 [2023-11-19 04:54:04,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:54:04,521 INFO L225 Difference]: With dead ends: 194 [2023-11-19 04:54:04,522 INFO L226 Difference]: Without dead ends: 126 [2023-11-19 04:54:04,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:54:04,524 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 51 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:54:04,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 243 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:54:04,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-11-19 04:54:04,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2023-11-19 04:54:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 64 states have (on average 1.140625) internal successors, (73), 64 states have internal predecessors, (73), 58 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 04:54:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 189 transitions. [2023-11-19 04:54:04,583 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 189 transitions. Word has length 178 [2023-11-19 04:54:04,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:54:04,586 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 189 transitions. [2023-11-19 04:54:04,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-19 04:54:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 189 transitions. [2023-11-19 04:54:04,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 04:54:04,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:54:04,599 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:54:04,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:54:04,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:54:04,804 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:54:04,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:54:04,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1997439787, now seen corresponding path program 1 times [2023-11-19 04:54:04,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:54:04,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1079346789] [2023-11-19 04:54:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:54:04,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:54:04,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:54:04,812 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:54:04,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0857a179-7c4f-4c07-be1a-418e8f87b7dd/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:54:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:54:05,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:54:05,119 INFO L285 TraceCheckSpWp]: Computing forward predicates...