./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7aca5318fc3a85e24c03f7da208539a7597ea4bfcbf690f058bdfd53fe08eef1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:15,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:15,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:24:15,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:15,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:15,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:15,684 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:15,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:15,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:15,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:15,695 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:15,695 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:15,696 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:15,696 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:24:15,697 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:15,697 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:15,698 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:24:15,698 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:24:15,699 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:15,699 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:24:15,700 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:24:15,702 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:24:15,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:15,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:15,705 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:15,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:15,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:15,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:15,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:15,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:15,708 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:15,709 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:15,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:15,709 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:15,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:15,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:15,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:15,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:15,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:15,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:15,711 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:24:15,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:24:15,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:15,712 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:15,713 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:15,713 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_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aca5318fc3a85e24c03f7da208539a7597ea4bfcbf690f058bdfd53fe08eef1 [2023-11-19 05:24:16,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:16,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:16,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:16,124 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:16,124 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:16,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i [2023-11-19 05:24:19,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:19,804 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:19,804 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i [2023-11-19 05:24:19,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/data/c3d24b09a/b0e50020cc904392b3522517ec942c9c/FLAG20c186671 [2023-11-19 05:24:19,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/data/c3d24b09a/b0e50020cc904392b3522517ec942c9c [2023-11-19 05:24:19,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:19,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:19,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:19,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:19,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:19,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:19" (1/1) ... [2023-11-19 05:24:19,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559d2c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:19, skipping insertion in model container [2023-11-19 05:24:19,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:19" (1/1) ... [2023-11-19 05:24:19,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:20,105 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_06dddbdd-7e5e-475e-a571-55e7de19308b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i[916,929] [2023-11-19 05:24:20,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:20,228 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:20,240 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_06dddbdd-7e5e-475e-a571-55e7de19308b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i[916,929] [2023-11-19 05:24:20,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:20,315 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:20,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20 WrapperNode [2023-11-19 05:24:20,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:20,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:20,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:20,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:20,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,409 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 217 [2023-11-19 05:24:20,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:20,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:20,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:20,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:20,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:20,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:20,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:20,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:20,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (1/1) ... [2023-11-19 05:24:20,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:20,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:20,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:20,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:20,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:20,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:24:20,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:24:20,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:24:20,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:20,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:20,756 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:20,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:21,410 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:22,063 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:22,063 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:24:22,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:22 BoogieIcfgContainer [2023-11-19 05:24:22,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:22,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:22,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:22,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:22,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:19" (1/3) ... [2023-11-19 05:24:22,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7714cb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:22, skipping insertion in model container [2023-11-19 05:24:22,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:20" (2/3) ... [2023-11-19 05:24:22,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7714cb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:22, skipping insertion in model container [2023-11-19 05:24:22,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:22" (3/3) ... [2023-11-19 05:24:22,085 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-71.i [2023-11-19 05:24:22,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:22,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:24:22,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:22,183 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;@1bb81378, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:22,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:24:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:24:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 05:24:22,203 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:22,204 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:22,205 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:22,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:22,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1176870656, now seen corresponding path program 1 times [2023-11-19 05:24:22,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:22,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014205674] [2023-11-19 05:24:22,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:22,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:22,467 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:24:22,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1049796714] [2023-11-19 05:24:22,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:22,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:24:22,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:22,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:24:22,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:24:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:23,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:24:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:23,269 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:24:23,272 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:24:23,273 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:24:23,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:23,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:24:23,490 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:24:23,493 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:24:23,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:24:23 BoogieIcfgContainer [2023-11-19 05:24:23,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:24:23,670 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:24:23,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:24:23,670 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:24:23,671 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:22" (3/4) ... [2023-11-19 05:24:23,674 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:24:23,675 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:24:23,677 INFO L158 Benchmark]: Toolchain (without parser) took 3837.32ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 104.0MB in the beginning and 102.0MB in the end (delta: 2.0MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2023-11-19 05:24:23,678 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 153.1MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:23,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.96ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 88.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:24:23,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.06ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 84.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:24:23,681 INFO L158 Benchmark]: Boogie Preprocessor took 63.42ms. Allocated memory is still 153.1MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:23,682 INFO L158 Benchmark]: RCFGBuilder took 1595.65ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 81.9MB in the beginning and 157.5MB in the end (delta: -75.6MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-11-19 05:24:23,683 INFO L158 Benchmark]: TraceAbstraction took 1594.63ms. Allocated memory is still 205.5MB. Free memory was 156.5MB in the beginning and 103.0MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-19 05:24:23,683 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 205.5MB. Free memory was 103.0MB in the beginning and 102.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:23,688 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 153.1MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.96ms. Allocated memory is still 153.1MB. Free memory was 103.7MB in the beginning and 88.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.06ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 84.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.42ms. Allocated memory is still 153.1MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1595.65ms. Allocated memory was 153.1MB in the beginning and 205.5MB in the end (delta: 52.4MB). Free memory was 81.9MB in the beginning and 157.5MB in the end (delta: -75.6MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1594.63ms. Allocated memory is still 205.5MB. Free memory was 156.5MB in the beginning and 103.0MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 205.5MB. Free memory was 103.0MB in the beginning and 102.0MB in the end (delta: 1.1MB). 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 62, overapproximation of bitwiseAnd at line 126, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 4; [L23] unsigned char var_1_5 = 4; [L24] float var_1_6 = 63.375; [L25] float var_1_7 = 2.875; [L26] float var_1_8 = 128.6; [L27] float var_1_9 = 128.75; [L28] signed char var_1_10 = 1; [L29] signed char var_1_12 = 4; [L30] signed char var_1_13 = 32; [L31] signed char var_1_14 = 32; [L32] signed char var_1_15 = 4; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_18 = 0; [L35] unsigned char var_1_19 = 0; [L36] float var_1_20 = 9999.75; [L37] unsigned long int var_1_21 = 1; [L38] unsigned char var_1_22 = 0; [L39] float var_1_23 = 255.225; [L40] unsigned long int var_1_24 = 5; [L41] unsigned short int var_1_25 = 2; [L42] unsigned short int var_1_26 = 45297; [L43] unsigned short int var_1_27 = 256; [L44] signed short int var_1_28 = -2; [L45] double var_1_29 = 63.25; [L46] double var_1_30 = 5.375; [L47] double var_1_31 = 5.5; [L48] double var_1_32 = 256.8; [L49] signed short int var_1_33 = 10; [L50] unsigned char last_1_var_1_16 = 0; [L190] isInitial = 1 [L191] FCALL initially() [L192] COND TRUE 1 [L193] CALL updateLastVariables() [L183] last_1_var_1_16 = var_1_16 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L141] var_1_5 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_6=507/8, var_1_7=23/8, var_1_8=643/5, var_1_9=515/4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_6=507/8, var_1_7=23/8, var_1_8=643/5, var_1_9=515/4] [L143] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=23/8, var_1_8=643/5, var_1_9=515/4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=23/8, var_1_8=643/5, var_1_9=515/4] [L144] var_1_7 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=643/5, var_1_9=515/4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=643/5, var_1_9=515/4] [L146] var_1_8 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=515/4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=515/4] [L148] var_1_9 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=4, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L150] var_1_12 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=32, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L153] var_1_13 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=32, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L156] var_1_14 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_14 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_14 >= 31) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=4, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L159] var_1_15 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_15 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_15 <= 31) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L162] var_1_18 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L164] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=0, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L165] var_1_19 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L167] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=10209/40, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L168] var_1_23 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=45297, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L170] var_1_26 = __VERIFIER_nondet_ushort() [L171] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L172] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=43/8, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L173] var_1_30 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_30 >= -922337.2036854776000e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854776000e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L175] CALL assume_abort_if_not(var_1_30 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_30 != 0.0F) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=11/2, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L176] var_1_31 = __VERIFIER_nondet_double() [L177] CALL assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=7, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=7, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L178] CALL assume_abort_if_not(var_1_31 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=7, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_31 != 0.0F) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=7, var_1_32=1284/5, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L179] var_1_32 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_32 >= -922337.2036854765600e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=7, var_1_32=8, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_32 >= -922337.2036854765600e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=4, var_1_20=39999/4, var_1_21=1, var_1_22=0, var_1_23=5, var_1_24=5, var_1_25=2, var_1_26=65534, var_1_27=256, var_1_28=-2, var_1_29=253/4, var_1_30=6, var_1_31=7, var_1_32=8, var_1_33=10, var_1_5=128, var_1_6=507/8, var_1_7=2, var_1_8=3, var_1_9=4] [L194] RET updateVariables() [L195] CALL step() [L54] COND FALSE !(\read(last_1_var_1_16)) [L57] var_1_10 = ((((((2) < (var_1_13)) ? (2) : (var_1_13))) + (var_1_14 - var_1_15)) - 4) [L59] COND TRUE var_1_18 || (! (5 > var_1_13)) [L60] var_1_24 = (var_1_5 + var_1_10) [L66] var_1_6 = ((((((var_1_7 - 31.5f) + ((((var_1_8) > (100.5f)) ? (var_1_8) : (100.5f))))) < (var_1_9)) ? (((var_1_7 - 31.5f) + ((((var_1_8) > (100.5f)) ? (var_1_8) : (100.5f))))) : (var_1_9))) [L67] var_1_20 = ((((var_1_9) < (((((64.2f) > (var_1_7)) ? (64.2f) : (var_1_7))))) ? (var_1_9) : (((((64.2f) > (var_1_7)) ? (64.2f) : (var_1_7)))))) [L68] signed char stepLocal_3 = var_1_14; [L69] unsigned char stepLocal_2 = var_1_18; [L70] COND TRUE stepLocal_2 || (var_1_9 > (var_1_8 + var_1_7)) [L71] COND FALSE !((var_1_5 * var_1_10) < stepLocal_3) [L74] var_1_21 = var_1_14 [L79] signed long int stepLocal_4 = (((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)); [L80] COND TRUE (- 1.2f) >= (var_1_7 - var_1_23) [L81] COND FALSE !(stepLocal_4 < 128) [L84] var_1_22 = var_1_18 [L89] COND TRUE var_1_6 < ((var_1_23 / var_1_30) / var_1_31) [L90] var_1_29 = (((((var_1_7 + var_1_8)) > (var_1_9)) ? ((var_1_7 + var_1_8)) : (var_1_9))) [L94] var_1_33 = var_1_12 [L95] COND TRUE var_1_20 == var_1_6 [L96] var_1_1 = ((((var_1_5) < (0)) ? (var_1_5) : (0))) [L98] COND FALSE !(\read(var_1_22)) [L105] var_1_27 = var_1_5 [L107] signed char stepLocal_1 = var_1_15; [L108] unsigned short int stepLocal_0 = var_1_27; [L109] COND FALSE !(stepLocal_1 > var_1_27) [L120] var_1_16 = var_1_18 [L122] unsigned char stepLocal_5 = var_1_19; [L123] COND TRUE stepLocal_5 || var_1_16 [L124] var_1_25 = (var_1_26 - ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) [L126] EXPR (var_1_24 * var_1_12) & (var_1_26 * var_1_25) [L126] unsigned long int stepLocal_7 = (var_1_24 * var_1_12) & (var_1_26 * var_1_25); [L127] unsigned char stepLocal_6 = var_1_19; [L128] COND TRUE stepLocal_6 || var_1_22 [L129] var_1_28 = (var_1_24 + var_1_12) [L195] RET step() [L196] CALL, EXPR property() [L186] EXPR (((((((((((var_1_20 == var_1_6) ? (var_1_1 == ((unsigned char) ((((var_1_5) < (0)) ? (var_1_5) : (0))))) : 1) && (var_1_6 == ((float) ((((((var_1_7 - 31.5f) + ((((var_1_8) > (100.5f)) ? (var_1_8) : (100.5f))))) < (var_1_9)) ? (((var_1_7 - 31.5f) + ((((var_1_8) > (100.5f)) ? (var_1_8) : (100.5f))))) : (var_1_9)))))) && (last_1_var_1_16 ? (var_1_10 == ((signed char) var_1_12)) : (var_1_10 == ((signed char) ((((((2) < (var_1_13)) ? (2) : (var_1_13))) + (var_1_14 - var_1_15)) - 4))))) && ((var_1_15 > var_1_27) ? ((var_1_27 > var_1_24) ? ((var_1_29 > (var_1_8 + 50.5)) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_19))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_20 == ((float) ((((var_1_9) < (((((64.2f) > (var_1_7)) ? (64.2f) : (var_1_7))))) ? (var_1_9) : (((((64.2f) > (var_1_7)) ? (64.2f) : (var_1_7))))))))) && ((var_1_18 || (var_1_9 > (var_1_8 + var_1_7))) ? (((var_1_5 * var_1_10) < var_1_14) ? (var_1_21 == ((unsigned long int) var_1_15)) : (var_1_21 == ((unsigned long int) var_1_14))) : (var_1_21 == ((unsigned long int) var_1_15)))) && (((- 1.2f) >= (var_1_7 - var_1_23)) ? ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) < 128) ? (var_1_22 == ((unsigned char) (! var_1_18))) : (var_1_22 == ((unsigned char) var_1_18))) : (var_1_22 == ((unsigned char) var_1_18)))) && ((var_1_18 || (! (5 > var_1_13))) ? (var_1_24 == ((unsigned long int) (var_1_5 + var_1_10))) : ((! (var_1_23 > var_1_9)) ? (var_1_24 == ((unsigned long int) var_1_13)) : 1))) && ((var_1_19 || var_1_16) ? (var_1_25 == ((unsigned short int) (var_1_26 - ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : 1)) && (var_1_22 ? ((var_1_20 <= var_1_7) ? (var_1_27 == ((unsigned short int) (var_1_26 - (var_1_13 + var_1_14)))) : (var_1_27 == ((unsigned short int) (var_1_5 + ((((var_1_1) < (var_1_15)) ? (var_1_1) : (var_1_15))))))) : (var_1_27 == ((unsigned short int) var_1_5)))) && ((var_1_19 || var_1_22) ? (var_1_28 == ((signed short int) (var_1_24 + var_1_12))) : ((var_1_8 > (var_1_29 * 9.99999999995E10f)) ? ((var_1_10 < ((var_1_24 * var_1_12) & (var_1_26 * var_1_25))) ? (var_1_28 == ((signed short int) var_1_24)) : (var_1_28 == ((signed short int) var_1_15))) : 1)) [L186-L187] return (((((((((((((var_1_20 == var_1_6) ? (var_1_1 == ((unsigned char) ((((var_1_5) < (0)) ? (var_1_5) : (0))))) : 1) && (var_1_6 == ((float) ((((((var_1_7 - 31.5f) + ((((var_1_8) > (100.5f)) ? (var_1_8) : (100.5f))))) < (var_1_9)) ? (((var_1_7 - 31.5f) + ((((var_1_8) > (100.5f)) ? (var_1_8) : (100.5f))))) : (var_1_9)))))) && (last_1_var_1_16 ? (var_1_10 == ((signed char) var_1_12)) : (var_1_10 == ((signed char) ((((((2) < (var_1_13)) ? (2) : (var_1_13))) + (var_1_14 - var_1_15)) - 4))))) && ((var_1_15 > var_1_27) ? ((var_1_27 > var_1_24) ? ((var_1_29 > (var_1_8 + 50.5)) ? (var_1_16 == ((unsigned char) var_1_18)) : (var_1_16 == ((unsigned char) var_1_18))) : (var_1_16 == ((unsigned char) var_1_19))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_20 == ((float) ((((var_1_9) < (((((64.2f) > (var_1_7)) ? (64.2f) : (var_1_7))))) ? (var_1_9) : (((((64.2f) > (var_1_7)) ? (64.2f) : (var_1_7))))))))) && ((var_1_18 || (var_1_9 > (var_1_8 + var_1_7))) ? (((var_1_5 * var_1_10) < var_1_14) ? (var_1_21 == ((unsigned long int) var_1_15)) : (var_1_21 == ((unsigned long int) var_1_14))) : (var_1_21 == ((unsigned long int) var_1_15)))) && (((- 1.2f) >= (var_1_7 - var_1_23)) ? ((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) < 128) ? (var_1_22 == ((unsigned char) (! var_1_18))) : (var_1_22 == ((unsigned char) var_1_18))) : (var_1_22 == ((unsigned char) var_1_18)))) && ((var_1_18 || (! (5 > var_1_13))) ? (var_1_24 == ((unsigned long int) (var_1_5 + var_1_10))) : ((! (var_1_23 > var_1_9)) ? (var_1_24 == ((unsigned long int) var_1_13)) : 1))) && ((var_1_19 || var_1_16) ? (var_1_25 == ((unsigned short int) (var_1_26 - ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))))) : 1)) && (var_1_22 ? ((var_1_20 <= var_1_7) ? (var_1_27 == ((unsigned short int) (var_1_26 - (var_1_13 + var_1_14)))) : (var_1_27 == ((unsigned short int) (var_1_5 + ((((var_1_1) < (var_1_15)) ? (var_1_1) : (var_1_15))))))) : (var_1_27 == ((unsigned short int) var_1_5)))) && ((var_1_19 || var_1_22) ? (var_1_28 == ((signed short int) (var_1_24 + var_1_12))) : ((var_1_8 > (var_1_29 * 9.99999999995E10f)) ? ((var_1_10 < ((var_1_24 * var_1_12) & (var_1_26 * var_1_25))) ? (var_1_28 == ((signed short int) var_1_24)) : (var_1_28 == ((signed short int) var_1_15))) : 1))) && ((var_1_6 < ((var_1_23 / var_1_30) / var_1_31)) ? (var_1_29 == ((double) (((((var_1_7 + var_1_8)) > (var_1_9)) ? ((var_1_7 + var_1_8)) : (var_1_9))))) : (var_1_29 == ((double) ((((var_1_32) > (var_1_7)) ? (var_1_32) : (var_1_7))))))) && (var_1_33 == ((signed short int) var_1_12)) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=4, var_1_21=31, var_1_22=0, var_1_23=5, var_1_24=129, var_1_25=65503, var_1_26=65534, var_1_27=128, var_1_28=129, var_1_29=8, var_1_30=6, var_1_31=7, var_1_32=8, var_1_33=0, var_1_5=128, var_1_6=9, var_1_7=2, var_1_8=3, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=0, var_1_10=1, var_1_12=0, var_1_13=31, var_1_14=31, var_1_15=28, var_1_16=0, var_1_18=0, var_1_19=1, var_1_1=0, var_1_20=4, var_1_21=31, var_1_22=0, var_1_23=5, var_1_24=129, var_1_25=65503, var_1_26=65534, var_1_27=128, var_1_28=129, var_1_29=8, var_1_30=6, var_1_31=7, var_1_32=8, var_1_33=0, var_1_5=128, var_1_6=9, var_1_7=2, var_1_8=3, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 25, 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=49occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:24:23,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7aca5318fc3a85e24c03f7da208539a7597ea4bfcbf690f058bdfd53fe08eef1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:26,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:26,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:24:26,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:26,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:26,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:26,869 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:26,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:26,871 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:26,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:26,875 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:26,875 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:26,876 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:26,877 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:26,877 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:26,878 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:26,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:26,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:26,880 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:26,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:26,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:26,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:26,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:26,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:26,883 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:24:26,884 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:24:26,885 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:24:26,885 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:26,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:26,886 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:26,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:26,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:24:26,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:26,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:26,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:26,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:26,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:26,891 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:24:26,892 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:26,893 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:26,894 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:26,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:26,895 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_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aca5318fc3a85e24c03f7da208539a7597ea4bfcbf690f058bdfd53fe08eef1 [2023-11-19 05:24:27,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:27,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:27,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:27,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:27,414 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:27,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i [2023-11-19 05:24:30,749 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:31,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:31,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i [2023-11-19 05:24:31,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/data/02c1350e2/851724decaf247febb2aeb1bdca753b6/FLAG75ee7f166 [2023-11-19 05:24:31,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/data/02c1350e2/851724decaf247febb2aeb1bdca753b6 [2023-11-19 05:24:31,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:31,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:31,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:31,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:31,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:31,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf564c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31, skipping insertion in model container [2023-11-19 05:24:31,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,198 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:31,406 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_06dddbdd-7e5e-475e-a571-55e7de19308b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i[916,929] [2023-11-19 05:24:31,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:31,552 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:31,578 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_06dddbdd-7e5e-475e-a571-55e7de19308b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-71.i[916,929] [2023-11-19 05:24:31,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:31,675 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:31,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31 WrapperNode [2023-11-19 05:24:31,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:31,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:31,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:31,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:31,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,744 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-19 05:24:31,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:31,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:31,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:31,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:31,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:31,830 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:31,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:31,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:31,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (1/1) ... [2023-11-19 05:24:31,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:31,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:31,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:31,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:24:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:24:31,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:24:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:31,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:32,044 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:32,047 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:45,423 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:45,434 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:45,435 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:24:45,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:45 BoogieIcfgContainer [2023-11-19 05:24:45,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:45,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:45,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:45,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:45,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:31" (1/3) ... [2023-11-19 05:24:45,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521b9865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:45, skipping insertion in model container [2023-11-19 05:24:45,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:31" (2/3) ... [2023-11-19 05:24:45,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521b9865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:45, skipping insertion in model container [2023-11-19 05:24:45,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:45" (3/3) ... [2023-11-19 05:24:45,457 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-71.i [2023-11-19 05:24:45,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:45,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:24:45,575 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:45,615 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;@126d7637, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:45,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:24:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:24:45,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 05:24:45,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:45,648 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:45,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:45,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:45,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1609807254, now seen corresponding path program 1 times [2023-11-19 05:24:45,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:45,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [385642642] [2023-11-19 05:24:45,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:45,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:45,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:45,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:24:45,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:24:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:48,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:24:48,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2023-11-19 05:24:48,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:48,216 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:48,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [385642642] [2023-11-19 05:24:48,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [385642642] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:48,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:48,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:48,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759559424] [2023-11-19 05:24:48,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:48,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:24:48,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:48,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:24:48,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:24:48,291 INFO L87 Difference]: Start difference. First operand has 83 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:24:48,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:48,334 INFO L93 Difference]: Finished difference Result 159 states and 275 transitions. [2023-11-19 05:24:48,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:24:48,336 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2023-11-19 05:24:48,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:48,346 INFO L225 Difference]: With dead ends: 159 [2023-11-19 05:24:48,347 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 05:24:48,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:24:48,356 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:48,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:24:48,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 05:24:48,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-19 05:24:48,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.3653846153846154) internal successors, (71), 52 states have internal predecessors, (71), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:24:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 121 transitions. [2023-11-19 05:24:48,445 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 121 transitions. Word has length 165 [2023-11-19 05:24:48,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:48,445 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 121 transitions. [2023-11-19 05:24:48,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:24:48,447 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 121 transitions. [2023-11-19 05:24:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 05:24:48,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:48,464 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:48,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:24:48,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:48,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:48,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:48,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1031771428, now seen corresponding path program 1 times [2023-11-19 05:24:48,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:48,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073070647] [2023-11-19 05:24:48,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:48,688 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:48,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:48,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:24:48,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:24:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:50,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:24:50,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 05:24:57,948 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:57,948 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:57,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073070647] [2023-11-19 05:24:57,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073070647] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:57,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:57,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:24:57,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426933721] [2023-11-19 05:24:57,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:57,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:57,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:57,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:57,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:24:57,955 INFO L87 Difference]: Start difference. First operand 79 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:25:01,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:03,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:05,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:09,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:11,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:13,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:15,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:25:15,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:15,360 INFO L93 Difference]: Finished difference Result 270 states and 415 transitions. [2023-11-19 05:25:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:25:15,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 165 [2023-11-19 05:25:15,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:15,702 INFO L225 Difference]: With dead ends: 270 [2023-11-19 05:25:15,702 INFO L226 Difference]: Without dead ends: 194 [2023-11-19 05:25:15,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:25:15,708 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 153 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 54 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:15,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 393 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 10 Invalid, 7 Unknown, 0 Unchecked, 17.2s Time] [2023-11-19 05:25:15,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-19 05:25:15,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 134. [2023-11-19 05:25:15,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 81 states have (on average 1.2839506172839505) internal successors, (104), 81 states have internal predecessors, (104), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 05:25:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 204 transitions. [2023-11-19 05:25:15,760 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 204 transitions. Word has length 165 [2023-11-19 05:25:15,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:15,762 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 204 transitions. [2023-11-19 05:25:15,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:25:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 204 transitions. [2023-11-19 05:25:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 05:25:15,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:15,766 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:25:15,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:15,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:25:15,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:15,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:15,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1849419878, now seen corresponding path program 1 times [2023-11-19 05:25:15,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:15,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507181285] [2023-11-19 05:25:15,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:15,983 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:25:15,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:15,985 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:25:16,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06dddbdd-7e5e-475e-a571-55e7de19308b/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:25:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:18,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 05:25:18,594 INFO L285 TraceCheckSpWp]: Computing forward predicates...