./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire --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 618189846aef487ebbb37bc95cb7062c749d222ff0e87167a39d9598359c37cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:34,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:35,064 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:22:35,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:35,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:35,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:35,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:35,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:35,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:35,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:35,104 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:35,104 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:35,105 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:35,105 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:22:35,106 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:35,107 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:35,107 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:22:35,108 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:22:35,108 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:35,109 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:22:35,110 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:22:35,110 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:22:35,111 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:35,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:35,112 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:22:35,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:35,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:22:35,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:35,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:35,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:35,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:35,116 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:22:35,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:35,117 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:35,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:35,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:35,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:35,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:35,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:35,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:35,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:35,124 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:22:35,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:22:35,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:35,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:35,126 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:35,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:35,126 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_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618189846aef487ebbb37bc95cb7062c749d222ff0e87167a39d9598359c37cd [2023-11-23 21:22:35,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:35,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:35,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:35,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:35,471 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:35,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i [2023-11-23 21:22:38,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:38,983 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:38,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i [2023-11-23 21:22:39,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/data/eb26976f1/fe8778aa251c4482bd268de8e253a60d/FLAGe6f61da25 [2023-11-23 21:22:39,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/data/eb26976f1/fe8778aa251c4482bd268de8e253a60d [2023-11-23 21:22:39,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:39,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:39,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:39,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:39,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:39,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2198ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39, skipping insertion in model container [2023-11-23 21:22:39,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:39,302 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_612d35f3-900f-4a32-b443-4c84eee127ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i[917,930] [2023-11-23 21:22:39,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:39,424 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:39,438 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_612d35f3-900f-4a32-b443-4c84eee127ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i[917,930] [2023-11-23 21:22:39,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:39,485 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:39,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39 WrapperNode [2023-11-23 21:22:39,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:39,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:39,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:39,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:39,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,550 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2023-11-23 21:22:39,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:39,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:39,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:39,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:39,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,565 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,565 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,607 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,614 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:39,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:39,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:39,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:39,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (1/1) ... [2023-11-23 21:22:39,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:39,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:39,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:39,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:22:39,740 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:22:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:22:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:39,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:39,868 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:39,870 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:40,325 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:22:40,529 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:22:40,529 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:22:40,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:40 BoogieIcfgContainer [2023-11-23 21:22:40,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:22:40,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:22:40,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:22:40,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:22:40,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:39" (1/3) ... [2023-11-23 21:22:40,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eed197f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:40, skipping insertion in model container [2023-11-23 21:22:40,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:39" (2/3) ... [2023-11-23 21:22:40,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eed197f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:40, skipping insertion in model container [2023-11-23 21:22:40,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:40" (3/3) ... [2023-11-23 21:22:40,543 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-90.i [2023-11-23 21:22:40,562 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:22:40,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:22:40,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:22:40,656 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;@56b84859, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:22:40,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:22:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-23 21:22:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-23 21:22:40,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:40,713 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:40,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:40,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:40,720 INFO L85 PathProgramCache]: Analyzing trace with hash -22132900, now seen corresponding path program 1 times [2023-11-23 21:22:40,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:22:40,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720417671] [2023-11-23 21:22:40,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:40,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:22:40,976 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:22:40,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1403474199] [2023-11-23 21:22:40,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:40,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:22:40,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:40,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:22:41,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:22:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:22:41,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:22:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:22:41,447 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:22:41,449 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:22:41,451 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:22:41,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:41,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:22:41,683 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:22:41,688 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:22:41,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:22:41 BoogieIcfgContainer [2023-11-23 21:22:41,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:22:41,841 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:22:41,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:22:41,841 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:22:41,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:40" (3/4) ... [2023-11-23 21:22:41,844 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:22:41,845 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:22:41,850 INFO L158 Benchmark]: Toolchain (without parser) took 2809.89ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 61.5MB in the end (delta: 52.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2023-11-23 21:22:41,850 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:41,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.98ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 101.0MB in the end (delta: 12.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-11-23 21:22:41,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.23ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:41,859 INFO L158 Benchmark]: Boogie Preprocessor took 63.32ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 96.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:41,859 INFO L158 Benchmark]: RCFGBuilder took 916.49ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 52.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 21:22:41,860 INFO L158 Benchmark]: TraceAbstraction took 1305.54ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 62.3MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:22:41,860 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 61.5MB in the end (delta: 887.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:22:41,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.98ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 101.0MB in the end (delta: 12.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.23ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 97.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.32ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 96.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 916.49ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 52.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1305.54ms. Allocated memory is still 142.6MB. Free memory was 51.5MB in the beginning and 62.3MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 61.5MB in the end (delta: 887.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 51, overapproximation of bitwiseOr at line 50, overapproximation of someUnaryDOUBLEoperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 75, overapproximation of someUnaryFLOAToperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -32; [L23] signed long int var_1_2 = -100; [L24] signed long int var_1_3 = 10; [L25] signed long int var_1_4 = 64; [L26] signed long int var_1_5 = -10; [L27] signed long int var_1_6 = 8; [L28] float var_1_7 = 127.8; [L29] float var_1_8 = -0.2; [L30] float var_1_9 = 255.175; [L31] signed long int var_1_10 = 5; [L32] unsigned short int var_1_11 = 64; [L33] unsigned short int var_1_12 = 8; [L34] unsigned short int var_1_13 = 5; [L35] signed short int var_1_14 = 8; [L36] unsigned short int var_1_15 = 62763; [L37] unsigned long int var_1_16 = 25; [L38] signed long int var_1_17 = -4; [L39] float var_1_18 = 63.25; [L40] unsigned long int var_1_19 = 1000; [L41] unsigned char var_1_20 = 0; [L42] float var_1_21 = 7.8; [L43] float var_1_22 = 32.1; [L44] unsigned char var_1_23 = 0; [L45] signed long int var_1_24 = -16; [L46] unsigned short int var_1_25 = 16; [L159] isInitial = 1 [L160] FCALL initially() [L161] COND TRUE 1 [L162] FCALL updateLastVariables() [L163] CALL updateVariables() [L97] var_1_2 = __VERIFIER_nondet_long() [L98] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=10, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=10, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L99] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=10, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=10, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L100] var_1_3 = __VERIFIER_nondet_long() [L101] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L102] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L103] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=64, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L104] var_1_4 = __VERIFIER_nondet_long() [L105] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L106] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L107] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=-10, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L108] var_1_5 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L110] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=8, var_1_7=639/5, var_1_9=10207/40] [L111] var_1_6 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1, var_1_7=639/5, var_1_9=10207/40] [L113] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1, var_1_7=639/5, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1, var_1_7=639/5, var_1_9=10207/40] [L114] var_1_7 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1, var_1_9=10207/40] [L116] var_1_8 = __VERIFIER_nondet_float() [L117] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1, var_1_9=10207/40] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1, var_1_9=10207/40] [L118] var_1_9 = __VERIFIER_nondet_float() [L119] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L120] var_1_10 = __VERIFIER_nondet_long() [L121] CALL assume_abort_if_not(var_1_10 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_10 >= -2147483647) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L122] CALL assume_abort_if_not(var_1_10 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_10 <= 2147483646) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=8, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L123] var_1_12 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L125] CALL assume_abort_if_not(var_1_12 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_12 <= 16384) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=5, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L126] var_1_13 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L128] CALL assume_abort_if_not(var_1_13 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_13 <= 16383) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=62763, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L129] var_1_15 = __VERIFIER_nondet_ushort() [L130] CALL assume_abort_if_not(var_1_15 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_15 >= 32767) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L131] CALL assume_abort_if_not(var_1_15 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_15 <= 65535) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=-4, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L132] var_1_17 = __VERIFIER_nondet_long() [L133] CALL assume_abort_if_not(var_1_17 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_17 >= -2147483648) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L134] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_19=1000, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L135] var_1_19 = __VERIFIER_nondet_ulong() [L136] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L137] CALL assume_abort_if_not(var_1_19 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_19 <= 4294967295) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L138] var_1_20 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L140] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_21=39/5, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L141] var_1_21 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_22=321/10, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L143] var_1_22 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L145] var_1_23 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L147] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_25=16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L148] var_1_25 = __VERIFIER_nondet_ushort() [L149] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L150] CALL assume_abort_if_not(var_1_25 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_25 <= 65535) VAL [isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=253/4, var_1_1=-32, var_1_20=0, var_1_23=0, var_1_24=-16, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L163] RET updateVariables() [L164] CALL step() [L50] EXPR var_1_5 | var_1_6 [L50] COND FALSE !((var_1_2 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (var_1_5 | var_1_6)) [L57] var_1_1 = var_1_10 [L59] COND TRUE var_1_8 != (var_1_9 + var_1_7) [L60] var_1_11 = ((var_1_12 + var_1_13) + 32) [L62] COND FALSE !(((var_1_15 - var_1_12) + var_1_2) < var_1_6) [L65] COND TRUE ((var_1_14 * var_1_4) + var_1_11) > var_1_17 [L66] COND FALSE !(var_1_10 < var_1_11) [L72] unsigned short int stepLocal_0 = var_1_13; [L73] COND FALSE !(var_1_19 < stepLocal_0) [L84] var_1_18 = var_1_21 [L86] COND FALSE !((- (- var_1_18)) != var_1_8) [L93] var_1_24 = var_1_10 [L164] RET step() [L165] CALL, EXPR property() [L155] EXPR var_1_5 | var_1_6 [L155-L156] return (((((((var_1_2 / ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) <= (var_1_5 | var_1_6)) ? (((var_1_7 * var_1_8) < var_1_9) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_10))) : (var_1_1 == ((signed long int) var_1_10))) && ((var_1_8 != (var_1_9 + var_1_7)) ? (var_1_11 == ((unsigned short int) ((var_1_12 + var_1_13) + 32))) : 1)) && ((((var_1_15 - var_1_12) + var_1_2) < var_1_6) ? (var_1_14 == ((signed short int) var_1_12)) : 1)) && ((((var_1_14 * var_1_4) + var_1_11) > var_1_17) ? ((var_1_10 < var_1_11) ? (var_1_16 == ((unsigned long int) var_1_12)) : 1) : (var_1_16 == ((unsigned long int) 0u)))) && ((var_1_19 < var_1_13) ? (var_1_20 ? (var_1_18 == ((float) (((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) + var_1_22))) : (var_1_23 ? (var_1_18 == ((float) (var_1_22 + var_1_21))) : (var_1_18 == ((float) -0.75f)))) : (var_1_18 == ((float) var_1_21)))) && (((- (- var_1_18)) != var_1_8) ? ((var_1_12 <= ((((var_1_14) > ((- var_1_25))) ? (var_1_14) : ((- var_1_25))))) ? (var_1_24 == ((signed long int) -50)) : (var_1_24 == ((signed long int) var_1_14))) : (var_1_24 == ((signed long int) var_1_10))) ; [L165] RET, EXPR property() [L165] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=2, var_1_19=32, var_1_1=64, var_1_20=0, var_1_21=2, var_1_23=0, var_1_24=64, var_1_25=0, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=64, var_1_11=64, var_1_12=0, var_1_13=32, var_1_14=8, var_1_15=32767, var_1_16=25, var_1_17=87, var_1_18=2, var_1_19=32, var_1_1=64, var_1_20=0, var_1_21=2, var_1_23=0, var_1_24=64, var_1_25=0, var_1_2=5, var_1_3=2, var_1_4=3, var_1_5=0, var_1_6=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 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 [2023-11-23 21:22:41,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire --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 618189846aef487ebbb37bc95cb7062c749d222ff0e87167a39d9598359c37cd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:44,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:44,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:22:44,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:44,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:44,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:44,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:44,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:44,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:44,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:44,794 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:44,795 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:44,795 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:44,796 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:44,796 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:44,797 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:44,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:44,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:44,799 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:22:44,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:22:44,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:44,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:44,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:44,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:44,803 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:22:44,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:22:44,804 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:22:44,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:22:44,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:44,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:44,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:44,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:22:44,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:44,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:44,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:44,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:44,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:44,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:44,809 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:22:44,810 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:22:44,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:44,811 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:44,811 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:44,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:44,812 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_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618189846aef487ebbb37bc95cb7062c749d222ff0e87167a39d9598359c37cd [2023-11-23 21:22:45,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:45,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:45,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:45,256 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:45,256 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:45,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i [2023-11-23 21:22:48,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:22:48,983 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:22:48,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i [2023-11-23 21:22:48,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/data/29c6b2b73/6d7e7febaf2746b7850e2d4107cb3446/FLAG16ca6cb4f [2023-11-23 21:22:49,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/data/29c6b2b73/6d7e7febaf2746b7850e2d4107cb3446 [2023-11-23 21:22:49,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:22:49,025 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:22:49,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:49,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:22:49,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:22:49,035 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c5e9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49, skipping insertion in model container [2023-11-23 21:22:49,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,087 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:22:49,290 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_612d35f3-900f-4a32-b443-4c84eee127ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i[917,930] [2023-11-23 21:22:49,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:49,423 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:22:49,439 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_612d35f3-900f-4a32-b443-4c84eee127ec/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-90.i[917,930] [2023-11-23 21:22:49,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:22:49,521 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:22:49,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49 WrapperNode [2023-11-23 21:22:49,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:22:49,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:49,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:22:49,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:22:49,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,583 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 177 [2023-11-23 21:22:49,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:22:49,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:22:49,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:22:49,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:22:49,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:22:49,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:22:49,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:22:49,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:22:49,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (1/1) ... [2023-11-23 21:22:49,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:49,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:22:49,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:22:49,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:22:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:22:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:22:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:22:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:22:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:22:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:22:49,917 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:22:49,920 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:22:51,618 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:22:51,663 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:22:51,663 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:22:51,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:51 BoogieIcfgContainer [2023-11-23 21:22:51,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:22:51,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:22:51,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:22:51,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:22:51,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:22:49" (1/3) ... [2023-11-23 21:22:51,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bd406e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:51, skipping insertion in model container [2023-11-23 21:22:51,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:22:49" (2/3) ... [2023-11-23 21:22:51,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bd406e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:22:51, skipping insertion in model container [2023-11-23 21:22:51,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:22:51" (3/3) ... [2023-11-23 21:22:51,672 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-90.i [2023-11-23 21:22:51,693 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:22:51,693 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:22:51,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:22:51,765 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;@7fdf0fc6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:22:51,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:22:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-23 21:22:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 21:22:51,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:51,792 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:51,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:51,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:51,797 INFO L85 PathProgramCache]: Analyzing trace with hash 502315907, now seen corresponding path program 1 times [2023-11-23 21:22:51,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:51,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045887129] [2023-11-23 21:22:51,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:51,814 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 [2023-11-23 21:22:51,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:51,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:22:51,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:22:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:52,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:22:52,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:22:52,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 1832 trivial. 0 not checked. [2023-11-23 21:22:52,489 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:22:52,490 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:22:52,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045887129] [2023-11-23 21:22:52,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2045887129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:22:52,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:22:52,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:22:52,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103560256] [2023-11-23 21:22:52,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:22:52,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:22:52,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:22:52,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:22:52,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:22:52,533 INFO L87 Difference]: Start difference. First operand has 79 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-23 21:22:53,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:22:53,074 INFO L93 Difference]: Finished difference Result 155 states and 287 transitions. [2023-11-23 21:22:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:22:53,087 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 206 [2023-11-23 21:22:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:22:53,106 INFO L225 Difference]: With dead ends: 155 [2023-11-23 21:22:53,106 INFO L226 Difference]: Without dead ends: 77 [2023-11-23 21:22:53,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:22:53,116 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:22:53,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:22:53,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-23 21:22:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-23 21:22:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-23 21:22:53,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 122 transitions. [2023-11-23 21:22:53,178 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 122 transitions. Word has length 206 [2023-11-23 21:22:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:22:53,179 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 122 transitions. [2023-11-23 21:22:53,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-23 21:22:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2023-11-23 21:22:53,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 21:22:53,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:22:53,188 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:22:53,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:22:53,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:22:53,402 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:22:53,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:22:53,404 INFO L85 PathProgramCache]: Analyzing trace with hash 966788233, now seen corresponding path program 1 times [2023-11-23 21:22:53,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:22:53,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140566429] [2023-11-23 21:22:53,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:22:53,406 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 [2023-11-23 21:22:53,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:22:53,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:22:53,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_612d35f3-900f-4a32-b443-4c84eee127ec/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:22:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:22:54,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 21:22:54,021 INFO L285 TraceCheckSpWp]: Computing forward predicates...