./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a75eac8d972521f13036387adb8ec81449423eaf0dc72863afb406909e4c7b00 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:30:07,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:30:07,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:30:07,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:30:07,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:30:07,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:30:07,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:30:07,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:30:07,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:30:07,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:30:07,545 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:30:07,545 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:30:07,546 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:30:07,546 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:30:07,547 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:30:07,547 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:30:07,548 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:30:07,549 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:30:07,549 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:30:07,550 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:30:07,550 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:30:07,551 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:30:07,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:30:07,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:30:07,553 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:30:07,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:30:07,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:30:07,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:30:07,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:30:07,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:30:07,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:30:07,556 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:30:07,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:30:07,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:30:07,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:30:07,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:30:07,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:30:07,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:07,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:30:07,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:30:07,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:30:07,559 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:30:07,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:30:07,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:30:07,559 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:30:07,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:30:07,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:30:07,560 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_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a75eac8d972521f13036387adb8ec81449423eaf0dc72863afb406909e4c7b00 [2023-12-02 12:30:07,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:30:07,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:30:07,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:30:07,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:30:07,843 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:30:07,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i [2023-12-02 12:30:10,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:30:11,039 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:30:11,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i [2023-12-02 12:30:11,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/data/8cc83dd75/e629d45ae379413885fe4619153491b0/FLAGa940e9d2d [2023-12-02 12:30:11,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/data/8cc83dd75/e629d45ae379413885fe4619153491b0 [2023-12-02 12:30:11,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:30:11,074 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:30:11,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:11,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:30:11,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:30:11,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@117adfc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11, skipping insertion in model container [2023-12-02 12:30:11,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,133 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:30:11,305 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_09d2948e-abc9-430f-b719-355b3986de41/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i[916,929] [2023-12-02 12:30:11,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:11,419 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:30:11,434 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_09d2948e-abc9-430f-b719-355b3986de41/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i[916,929] [2023-12-02 12:30:11,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:11,515 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:30:11,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11 WrapperNode [2023-12-02 12:30:11,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:11,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:11,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:30:11,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:30:11,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,595 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2023-12-02 12:30:11,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:11,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:30:11,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:30:11,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:30:11,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,612 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:30:11,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:30:11,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:30:11,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:30:11,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (1/1) ... [2023-12-02 12:30:11,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:11,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:11,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:30:11,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:30:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:30:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:30:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:30:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:30:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:30:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:30:11,831 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:30:11,834 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:30:12,296 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:30:12,724 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:30:12,724 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:30:12,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:12 BoogieIcfgContainer [2023-12-02 12:30:12,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:30:12,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:30:12,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:30:12,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:30:12,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:30:11" (1/3) ... [2023-12-02 12:30:12,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1646eeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:12, skipping insertion in model container [2023-12-02 12:30:12,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:11" (2/3) ... [2023-12-02 12:30:12,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1646eeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:12, skipping insertion in model container [2023-12-02 12:30:12,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:12" (3/3) ... [2023-12-02 12:30:12,736 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-67.i [2023-12-02 12:30:12,758 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:30:12,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:30:12,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:30:12,823 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;@27d96479, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:30:12,823 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:30:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 12:30:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 12:30:12,844 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:12,845 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:30:12,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:12,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:12,853 INFO L85 PathProgramCache]: Analyzing trace with hash 2125030984, now seen corresponding path program 1 times [2023-12-02 12:30:12,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:30:12,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508202888] [2023-12-02 12:30:12,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:12,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:30:13,068 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:30:13,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [507657459] [2023-12-02 12:30:13,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:13,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:30:13,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:13,080 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:30:13,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:30:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:30:18,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:30:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:30:19,731 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:30:19,733 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:30:19,734 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:30:19,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:30:19,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:30:19,942 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:30:19,946 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:30:20,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:30:20 BoogieIcfgContainer [2023-12-02 12:30:20,071 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:30:20,072 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:30:20,072 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:30:20,072 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:30:20,073 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:12" (3/4) ... [2023-12-02 12:30:20,075 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:30:20,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:30:20,077 INFO L158 Benchmark]: Toolchain (without parser) took 9002.77ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 109.9MB in the beginning and 120.6MB in the end (delta: -10.7MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-12-02 12:30:20,078 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 153.1MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:30:20,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.63ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 93.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 12:30:20,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.19ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 88.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 12:30:20,080 INFO L158 Benchmark]: Boogie Preprocessor took 58.22ms. Allocated memory is still 153.1MB. Free memory was 88.5MB in the beginning and 86.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:30:20,081 INFO L158 Benchmark]: RCFGBuilder took 1071.09ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 85.9MB in the beginning and 105.1MB in the end (delta: -19.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-12-02 12:30:20,081 INFO L158 Benchmark]: TraceAbstraction took 7341.91ms. Allocated memory is still 186.6MB. Free memory was 104.0MB in the beginning and 121.6MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:30:20,082 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 186.6MB. Free memory was 121.6MB in the beginning and 120.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:30:20,085 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 153.1MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.63ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 93.0MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.19ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 88.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.22ms. Allocated memory is still 153.1MB. Free memory was 88.5MB in the beginning and 86.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1071.09ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 85.9MB in the beginning and 105.1MB in the end (delta: -19.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7341.91ms. Allocated memory is still 186.6MB. Free memory was 104.0MB in the beginning and 121.6MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 186.6MB. Free memory was 121.6MB in the beginning and 120.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 209, overapproximation of bitwiseAnd at line 62, overapproximation of someBinaryArithmeticDOUBLEoperation at line 140, overapproximation of someUnaryDOUBLEoperation at line 143, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] signed char var_1_6 = -2; [L24] signed char var_1_7 = 2; [L25] double var_1_8 = 16.25; [L26] double var_1_9 = 31.5; [L27] double var_1_10 = 127.9; [L28] double var_1_11 = 15.9; [L29] double var_1_12 = 64.75; [L30] unsigned long int var_1_13 = 0; [L31] unsigned char var_1_14 = 1; [L32] unsigned short int var_1_15 = 2; [L33] unsigned short int var_1_16 = 25; [L34] unsigned short int var_1_17 = 1; [L35] unsigned long int var_1_18 = 50; [L36] unsigned char var_1_19 = 1; [L37] unsigned short int var_1_20 = 10; [L38] unsigned short int var_1_21 = 10; [L39] float var_1_22 = 15.1; [L40] unsigned long int var_1_23 = 3874754763; [L41] signed long int var_1_24 = -16; [L42] signed char var_1_25 = -10; [L43] signed char var_1_26 = -8; [L44] signed char var_1_27 = 100; [L45] signed char var_1_28 = 0; [L46] unsigned char var_1_29 = 1; [L47] unsigned char var_1_30 = 0; [L48] unsigned long int var_1_31 = 256; [L49] signed short int var_1_32 = 32; [L50] unsigned long int var_1_33 = 3617747482; [L51] unsigned long int var_1_34 = 100; [L52] double last_1_var_1_8 = 16.25; [L53] unsigned long int last_1_var_1_13 = 0; [L54] unsigned short int last_1_var_1_15 = 2; [L55] signed long int last_1_var_1_24 = -16; [L56] signed char last_1_var_1_25 = -10; [L57] unsigned long int last_1_var_1_31 = 256; [L58] unsigned long int last_1_var_1_34 = 100; [L213] isInitial = 1 [L214] FCALL initially() [L215] COND TRUE 1 [L216] CALL updateLastVariables() [L200] last_1_var_1_8 = var_1_8 [L201] last_1_var_1_13 = var_1_13 [L202] last_1_var_1_15 = var_1_15 [L203] last_1_var_1_24 = var_1_24 [L204] last_1_var_1_25 = var_1_25 [L205] last_1_var_1_31 = var_1_31 [L206] last_1_var_1_34 = var_1_34 [L216] RET updateLastVariables() [L217] CALL updateVariables() [L150] var_1_7 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4, var_1_9=63/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4, var_1_9=63/2] [L152] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4, var_1_9=63/2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4, var_1_9=63/2] [L153] var_1_9 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_10=1279/10, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L155] var_1_10 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_11=159/10, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L157] var_1_11 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_12=259/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L159] var_1_12 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_12 >= -230584.3009213691390e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 2305843.009213691390e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L161] var_1_14 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L163] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=25, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L164] var_1_16 = __VERIFIER_nondet_ushort() [L165] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L166] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=1, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L167] var_1_17 = __VERIFIER_nondet_ushort() [L168] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L169] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L170] var_1_19 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L172] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L173] var_1_21 = __VERIFIER_nondet_ushort() [L174] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L175] CALL assume_abort_if_not(var_1_21 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_21 <= 65534) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=3874754763, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L176] var_1_23 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_23 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_23 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L178] CALL assume_abort_if_not(var_1_23 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_23 <= 4294967295) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=-8, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L179] var_1_26 = __VERIFIER_nondet_char() [L180] CALL assume_abort_if_not(var_1_26 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_26 >= -126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L181] CALL assume_abort_if_not(var_1_26 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_26 <= 126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=100, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L182] var_1_27 = __VERIFIER_nondet_char() [L183] CALL assume_abort_if_not(var_1_27 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_27 >= -127) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L184] CALL assume_abort_if_not(var_1_27 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_27 <= 126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L185] var_1_28 = __VERIFIER_nondet_char() [L186] CALL assume_abort_if_not(var_1_28 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_28 >= -1) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L187] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L188] var_1_30 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L190] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=32, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L191] var_1_32 = __VERIFIER_nondet_short() [L192] CALL assume_abort_if_not(var_1_32 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_32 >= -32768) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L193] CALL assume_abort_if_not(var_1_32 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_32 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L194] CALL assume_abort_if_not(var_1_32 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_32 != 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=3617747482, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L195] var_1_33 = __VERIFIER_nondet_ulong() [L196] CALL assume_abort_if_not(var_1_33 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=4294967294, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_33 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=4294967294, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L197] CALL assume_abort_if_not(var_1_33 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=4294967294, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_33 <= 4294967294) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=2, var_1_20=10, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=-10, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=4294967294, var_1_34=100, var_1_6=-2, var_1_7=1, var_1_8=65/4] [L217] RET updateVariables() [L218] CALL step() [L62] EXPR last_1_var_1_31 & last_1_var_1_24 [L62] COND TRUE (last_1_var_1_31 & last_1_var_1_24) <= last_1_var_1_34 [L63] var_1_1 = last_1_var_1_25 [L65] unsigned long int stepLocal_2 = last_1_var_1_13; [L66] COND TRUE last_1_var_1_15 >= stepLocal_2 [L67] COND FALSE !(((var_1_9 + 63.35f) + last_1_var_1_8) >= var_1_12) [L70] var_1_15 = var_1_17 [L75] unsigned long int stepLocal_5 = var_1_16 - last_1_var_1_31; [L76] COND FALSE !(! var_1_19) [L79] COND FALSE !(128 > stepLocal_5) [L83] COND FALSE !(((((var_1_17) < (var_1_23)) ? (var_1_17) : (var_1_23))) > var_1_33) [L90] COND TRUE \read(var_1_29) [L91] COND TRUE \read(var_1_29) [L92] var_1_20 = (((((var_1_16 + var_1_17)) < (var_1_21)) ? ((var_1_16 + var_1_17)) : (var_1_21))) [L95] var_1_6 = var_1_7 [L96] COND FALSE !(var_1_15 >= (- (var_1_23 - var_1_17))) [L101] unsigned char stepLocal_3 = var_1_29; [L102] COND TRUE var_1_11 >= var_1_10 [L103] COND TRUE stepLocal_3 || var_1_29 [L104] COND FALSE !(((((var_1_22) > (var_1_11)) ? (var_1_22) : (var_1_11))) <= var_1_10) [L111] COND TRUE ! (! var_1_29) [L112] var_1_25 = ((((((((var_1_7) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_7) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) < (var_1_27)) ? (((((var_1_7) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_7) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) : (var_1_27))) [L118] unsigned char stepLocal_6 = (var_1_28 / var_1_32) >= var_1_7; [L119] COND FALSE !(var_1_29 && stepLocal_6) [L130] COND TRUE \read(var_1_29) [L131] var_1_13 = var_1_31 [L133] unsigned long int stepLocal_4 = (((((((var_1_1) > (var_1_34)) ? (var_1_1) : (var_1_34)))) > ((var_1_25 * var_1_25))) ? (((((var_1_1) > (var_1_34)) ? (var_1_1) : (var_1_34)))) : ((var_1_25 * var_1_25))); [L134] COND FALSE !(stepLocal_4 <= (var_1_15 - ((((var_1_21) < (var_1_16)) ? (var_1_21) : (var_1_16))))) [L137] signed long int stepLocal_1 = var_1_15 + var_1_20; [L138] signed long int stepLocal_0 = var_1_24; [L139] COND FALSE !(var_1_15 == stepLocal_0) [L142] COND TRUE var_1_1 <= stepLocal_1 [L143] var_1_8 = (((((var_1_11 + var_1_12) + 1.00000005E7) < 0 ) ? -((var_1_11 + var_1_12) + 1.00000005E7) : ((var_1_11 + var_1_12) + 1.00000005E7))) [L218] RET step() [L219] CALL, EXPR property() [L209] EXPR last_1_var_1_31 & last_1_var_1_24 [L209-L210] return ((((((((((((((last_1_var_1_31 & last_1_var_1_24) <= last_1_var_1_34) ? (var_1_1 == ((signed short int) last_1_var_1_25)) : 1) && (var_1_6 == ((signed char) var_1_7))) && ((var_1_15 == var_1_24) ? (var_1_8 == ((double) (var_1_9 + var_1_10))) : ((var_1_1 <= (var_1_15 + var_1_20)) ? (var_1_8 == ((double) (((((var_1_11 + var_1_12) + 1.00000005E7) < 0 ) ? -((var_1_11 + var_1_12) + 1.00000005E7) : ((var_1_11 + var_1_12) + 1.00000005E7))))) : (var_1_8 == ((double) ((var_1_12 + var_1_11) + var_1_9)))))) && (var_1_29 ? (var_1_13 == ((unsigned long int) var_1_31)) : 1)) && ((last_1_var_1_15 >= last_1_var_1_13) ? ((((var_1_9 + 63.35f) + last_1_var_1_8) >= var_1_12) ? (var_1_15 == ((unsigned short int) (var_1_16 + var_1_17))) : (var_1_15 == ((unsigned short int) var_1_17))) : (var_1_15 == ((unsigned short int) 1000)))) && ((var_1_11 >= var_1_10) ? ((var_1_29 || var_1_29) ? ((((((var_1_22) > (var_1_11)) ? (var_1_22) : (var_1_11))) <= var_1_10) ? (var_1_18 == ((unsigned long int) 25u)) : 1) : 1) : (var_1_18 == ((unsigned long int) var_1_20)))) && (var_1_29 ? (var_1_29 ? (var_1_20 == ((unsigned short int) (((((var_1_16 + var_1_17)) < (var_1_21)) ? ((var_1_16 + var_1_17)) : (var_1_21))))) : 1) : 1)) && ((var_1_15 >= (- (var_1_23 - var_1_17))) ? (var_1_29 ? (var_1_22 == ((float) var_1_9)) : 1) : 1)) && ((((((((((var_1_1) > (var_1_34)) ? (var_1_1) : (var_1_34)))) > ((var_1_25 * var_1_25))) ? (((((var_1_1) > (var_1_34)) ? (var_1_1) : (var_1_34)))) : ((var_1_25 * var_1_25)))) <= (var_1_15 - ((((var_1_21) < (var_1_16)) ? (var_1_21) : (var_1_16))))) ? (var_1_24 == ((signed long int) (((((var_1_13 + var_1_7)) > (var_1_25)) ? ((var_1_13 + var_1_7)) : (var_1_25))))) : 1)) && ((! (! var_1_29)) ? (var_1_25 == ((signed char) ((((((((var_1_7) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_7) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) < (var_1_27)) ? (((((var_1_7) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_7) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))))) : (var_1_27))))) : ((var_1_17 <= var_1_18) ? (var_1_25 == ((signed char) (var_1_28 - 4))) : 1))) && ((! var_1_19) ? (var_1_29 == ((unsigned char) (var_1_19 && var_1_30))) : ((128 > (var_1_16 - last_1_var_1_31)) ? (var_1_29 == ((unsigned char) (var_1_14 && var_1_30))) : 1))) && ((var_1_29 && ((var_1_28 / var_1_32) >= var_1_7)) ? (var_1_29 ? ((var_1_10 > var_1_12) ? (var_1_31 == ((unsigned long int) (((((var_1_33 - var_1_34)) > (0u)) ? ((var_1_33 - var_1_34)) : (0u))))) : (var_1_31 == ((unsigned long int) (var_1_18 + var_1_16)))) : (var_1_31 == ((unsigned long int) ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))) : 1)) && ((((((var_1_17) < (var_1_23)) ? (var_1_17) : (var_1_23))) > var_1_33) ? (var_1_30 ? (var_1_29 ? (var_1_34 == ((unsigned long int) var_1_21)) : 1) : 1) : 1) ; [L219] RET, EXPR property() [L219] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=256, var_1_14=1, var_1_15=32767, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=-10, var_1_20=32767, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=1, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=4294967294, var_1_34=100, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, last_1_var_1_15=2, last_1_var_1_24=-16, last_1_var_1_25=-10, last_1_var_1_31=256, last_1_var_1_34=100, last_1_var_1_8=65/4, var_1_13=256, var_1_14=1, var_1_15=32767, var_1_16=0, var_1_17=32767, var_1_18=50, var_1_19=1, var_1_1=-10, var_1_20=32767, var_1_21=32768, var_1_22=151/10, var_1_23=4294967295, var_1_24=-16, var_1_25=1, var_1_26=1, var_1_27=2, var_1_28=0, var_1_29=1, var_1_30=0, var_1_31=256, var_1_32=1, var_1_33=4294967294, var_1_34=100, var_1_6=1, var_1_7=1, var_1_8=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 1, TraceHistogramMax: 31, 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=57occurred 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, 5.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 12:30:20,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a75eac8d972521f13036387adb8ec81449423eaf0dc72863afb406909e4c7b00 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:30:22,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:30:22,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:30:22,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:30:22,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:30:22,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:30:22,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:30:22,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:30:22,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:30:22,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:30:22,377 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:30:22,378 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:30:22,378 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:30:22,379 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:30:22,380 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:30:22,380 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:30:22,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:30:22,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:30:22,383 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:30:22,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:30:22,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:30:22,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:30:22,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:30:22,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:30:22,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:30:22,390 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:30:22,390 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:30:22,391 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:30:22,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:30:22,392 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:30:22,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:30:22,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:30:22,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:30:22,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:30:22,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:22,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:30:22,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:30:22,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:30:22,395 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:30:22,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:30:22,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:30:22,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:30:22,396 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:30:22,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:30:22,397 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_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a75eac8d972521f13036387adb8ec81449423eaf0dc72863afb406909e4c7b00 [2023-12-02 12:30:22,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:30:22,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:30:22,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:30:22,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:30:22,772 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:30:22,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i [2023-12-02 12:30:25,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:30:25,852 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:30:25,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i [2023-12-02 12:30:25,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/data/2d395b744/e287b36ed8ec499ab2470e438e2a7f2f/FLAGb0fd2c00b [2023-12-02 12:30:25,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/data/2d395b744/e287b36ed8ec499ab2470e438e2a7f2f [2023-12-02 12:30:25,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:30:25,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:30:25,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:25,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:30:25,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:30:25,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:25" (1/1) ... [2023-12-02 12:30:25,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b8c9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:25, skipping insertion in model container [2023-12-02 12:30:25,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:25" (1/1) ... [2023-12-02 12:30:25,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:30:26,136 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_09d2948e-abc9-430f-b719-355b3986de41/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i[916,929] [2023-12-02 12:30:26,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:26,248 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:30:26,264 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_09d2948e-abc9-430f-b719-355b3986de41/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-67.i[916,929] [2023-12-02 12:30:26,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:30:26,338 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:30:26,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26 WrapperNode [2023-12-02 12:30:26,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:30:26,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:26,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:30:26,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:30:26,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,410 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-12-02 12:30:26,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:30:26,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:30:26,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:30:26,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:30:26,424 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,464 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:30:26,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:30:26,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:30:26,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:30:26,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (1/1) ... [2023-12-02 12:30:26,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:30:26,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:30:26,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:30:26,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:30:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:30:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:30:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:30:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:30:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:30:26,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:30:26,662 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:30:26,665 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:30:32,852 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:30:32,916 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:30:32,917 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:30:32,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:32 BoogieIcfgContainer [2023-12-02 12:30:32,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:30:32,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:30:32,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:30:32,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:30:32,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:30:25" (1/3) ... [2023-12-02 12:30:32,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bc22c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:32, skipping insertion in model container [2023-12-02 12:30:32,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:26" (2/3) ... [2023-12-02 12:30:32,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79bc22c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:30:32, skipping insertion in model container [2023-12-02 12:30:32,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:32" (3/3) ... [2023-12-02 12:30:32,927 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-67.i [2023-12-02 12:30:32,947 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:30:32,947 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:30:32,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:30:33,005 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;@2b46ac52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:30:33,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:30:33,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 58 states have (on average 1.5) internal successors, (87), 59 states have internal predecessors, (87), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 12:30:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 12:30:33,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:33,028 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:30:33,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:33,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:33,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1656579012, now seen corresponding path program 1 times [2023-12-02 12:30:33,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:30:33,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839148570] [2023-12-02 12:30:33,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:33,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:30:33,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:30:33,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:30:33,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 12:30:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:33,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:30:33,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:30:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2023-12-02 12:30:33,926 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:30:33,927 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:30:33,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839148570] [2023-12-02 12:30:33,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839148570] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:33,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:33,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:30:33,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216582730] [2023-12-02 12:30:33,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:33,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:30:33,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:30:33,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:30:33,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:30:33,971 INFO L87 Difference]: Start difference. First operand has 92 states, 58 states have (on average 1.5) internal successors, (87), 59 states have internal predecessors, (87), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 12:30:36,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:36,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:36,286 INFO L93 Difference]: Finished difference Result 181 states and 327 transitions. [2023-12-02 12:30:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:30:36,352 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 196 [2023-12-02 12:30:36,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:36,361 INFO L225 Difference]: With dead ends: 181 [2023-12-02 12:30:36,362 INFO L226 Difference]: Without dead ends: 90 [2023-12-02 12:30:36,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:30:36,371 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:36,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:30:36,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-02 12:30:36,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-12-02 12:30:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 57 states have internal predecessors, (82), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-12-02 12:30:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 144 transitions. [2023-12-02 12:30:36,426 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 144 transitions. Word has length 196 [2023-12-02 12:30:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:36,426 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 144 transitions. [2023-12-02 12:30:36,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-12-02 12:30:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 144 transitions. [2023-12-02 12:30:36,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 12:30:36,430 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:36,431 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:30:36,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:30:36,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:30:36,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:36,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:36,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1446000270, now seen corresponding path program 1 times [2023-12-02 12:30:36,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:30:36,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862616905] [2023-12-02 12:30:36,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:36,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:30:36,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:30:36,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:30:36,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 12:30:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:37,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 12:30:37,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:30:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 12:30:41,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:30:41,918 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:30:41,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862616905] [2023-12-02 12:30:41,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862616905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:41,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:41,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:30:41,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15212057] [2023-12-02 12:30:41,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:41,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:30:41,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:30:41,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:30:41,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:30:41,924 INFO L87 Difference]: Start difference. First operand 90 states and 144 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:30:44,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:46,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:48,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:51,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:53,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:55,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:30:55,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:30:55,028 INFO L93 Difference]: Finished difference Result 295 states and 473 transitions. [2023-12-02 12:30:55,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:30:55,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-12-02 12:30:55,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:30:55,097 INFO L225 Difference]: With dead ends: 295 [2023-12-02 12:30:55,097 INFO L226 Difference]: Without dead ends: 206 [2023-12-02 12:30:55,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:30:55,101 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 166 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 63 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:30:55,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 415 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 13.0s Time] [2023-12-02 12:30:55,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-12-02 12:30:55,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 175. [2023-12-02 12:30:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 110 states have (on average 1.4272727272727272) internal successors, (157), 110 states have internal predecessors, (157), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-12-02 12:30:55,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 281 transitions. [2023-12-02 12:30:55,162 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 281 transitions. Word has length 196 [2023-12-02 12:30:55,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:30:55,164 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 281 transitions. [2023-12-02 12:30:55,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:30:55,165 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 281 transitions. [2023-12-02 12:30:55,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-12-02 12:30:55,170 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:30:55,171 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:30:55,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 12:30:55,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:30:55,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:30:55,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:30:55,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1664854988, now seen corresponding path program 1 times [2023-12-02 12:30:55,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:30:55,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101329992] [2023-12-02 12:30:55,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:30:55,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:30:55,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:30:55,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:30:55,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 12:30:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:30:56,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:30:56,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:30:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 12:30:57,224 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:30:57,224 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:30:57,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101329992] [2023-12-02 12:30:57,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101329992] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:30:57,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:30:57,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 12:30:57,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312746122] [2023-12-02 12:30:57,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:30:57,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 12:30:57,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:30:57,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 12:30:57,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:30:57,228 INFO L87 Difference]: Start difference. First operand 175 states and 281 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:30:59,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:01,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:03,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:05,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:07,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:10,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:12,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:14,185 WARN L539 Checker$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 [] [2023-12-02 12:31:16,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:16,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:16,188 INFO L93 Difference]: Finished difference Result 543 states and 868 transitions. [2023-12-02 12:31:16,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 12:31:16,262 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 196 [2023-12-02 12:31:16,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:16,269 INFO L225 Difference]: With dead ends: 543 [2023-12-02 12:31:16,269 INFO L226 Difference]: Without dead ends: 369 [2023-12-02 12:31:16,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 12:31:16,273 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 209 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 63 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:16,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 554 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 16 Invalid, 9 Unknown, 0 Unchecked, 18.8s Time] [2023-12-02 12:31:16,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2023-12-02 12:31:16,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 347. [2023-12-02 12:31:16,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 218 states have (on average 1.4220183486238531) internal successors, (310), 218 states have internal predecessors, (310), 124 states have call successors, (124), 4 states have call predecessors, (124), 4 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-12-02 12:31:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 558 transitions. [2023-12-02 12:31:16,360 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 558 transitions. Word has length 196 [2023-12-02 12:31:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:16,361 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 558 transitions. [2023-12-02 12:31:16,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:31:16,362 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 558 transitions. [2023-12-02 12:31:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 12:31:16,366 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:16,366 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:31:16,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 12:31:16,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:31:16,568 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:31:16,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:16,569 INFO L85 PathProgramCache]: Analyzing trace with hash 702903011, now seen corresponding path program 1 times [2023-12-02 12:31:16,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:31:16,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082658407] [2023-12-02 12:31:16,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:16,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:31:16,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:31:16,571 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:31:16,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 12:31:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:17,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:31:17,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:31:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 580 proven. 15 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2023-12-02 12:31:17,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:31:18,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 75 proven. 15 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 12:31:18,169 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:31:18,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082658407] [2023-12-02 12:31:18,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082658407] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:31:18,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [77713527] [2023-12-02 12:31:18,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:18,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:31:18,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:31:18,172 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:31:18,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 12:31:18,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:18,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:31:18,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:31:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 12:31:18,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:31:18,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [77713527] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:18,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:31:18,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-12-02 12:31:18,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815914473] [2023-12-02 12:31:18,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:18,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:31:18,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:31:18,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:31:18,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 12:31:18,850 INFO L87 Difference]: Start difference. First operand 347 states and 558 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:31:21,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:23,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:25,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:25,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:25,511 INFO L93 Difference]: Finished difference Result 948 states and 1524 transitions. [2023-12-02 12:31:25,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:31:25,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2023-12-02 12:31:25,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:25,518 INFO L225 Difference]: With dead ends: 948 [2023-12-02 12:31:25,518 INFO L226 Difference]: Without dead ends: 602 [2023-12-02 12:31:25,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 580 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 12:31:25,520 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 125 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:25,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 263 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 6.6s Time] [2023-12-02 12:31:25,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2023-12-02 12:31:25,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 568. [2023-12-02 12:31:25,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 343 states have (on average 1.3411078717201166) internal successors, (460), 343 states have internal predecessors, (460), 217 states have call successors, (217), 7 states have call predecessors, (217), 7 states have return successors, (217), 217 states have call predecessors, (217), 217 states have call successors, (217) [2023-12-02 12:31:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 894 transitions. [2023-12-02 12:31:25,642 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 894 transitions. Word has length 197 [2023-12-02 12:31:25,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:25,644 INFO L495 AbstractCegarLoop]: Abstraction has 568 states and 894 transitions. [2023-12-02 12:31:25,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:31:25,644 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 894 transitions. [2023-12-02 12:31:25,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-12-02 12:31:25,649 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:25,649 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:31:25,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-02 12:31:25,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 12:31:26,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:31:26,051 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:31:26,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:26,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1512249637, now seen corresponding path program 1 times [2023-12-02 12:31:26,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:31:26,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [354502001] [2023-12-02 12:31:26,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:26,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:31:26,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:31:26,054 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:31:26,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 12:31:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:26,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:31:26,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:31:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 580 proven. 15 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2023-12-02 12:31:27,211 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:31:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 75 proven. 15 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 12:31:27,673 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:31:27,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [354502001] [2023-12-02 12:31:27,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [354502001] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:31:27,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1721007905] [2023-12-02 12:31:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:27,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:31:27,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:31:27,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:31:27,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 12:31:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:28,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:31:28,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:31:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-12-02 12:31:28,334 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:31:28,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1721007905] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:31:28,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:31:28,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 8 [2023-12-02 12:31:28,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692086569] [2023-12-02 12:31:28,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:31:28,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:31:28,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:31:28,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:31:28,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 12:31:28,338 INFO L87 Difference]: Start difference. First operand 568 states and 894 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:31:30,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:32,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:34,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:31:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:31:35,132 INFO L93 Difference]: Finished difference Result 925 states and 1458 transitions. [2023-12-02 12:31:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:31:35,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2023-12-02 12:31:35,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:31:35,137 INFO L225 Difference]: With dead ends: 925 [2023-12-02 12:31:35,137 INFO L226 Difference]: Without dead ends: 586 [2023-12-02 12:31:35,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 581 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 12:31:35,140 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 122 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:31:35,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 341 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2023-12-02 12:31:35,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2023-12-02 12:31:35,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 584. [2023-12-02 12:31:35,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 359 states have (on average 1.3036211699164346) internal successors, (468), 359 states have internal predecessors, (468), 217 states have call successors, (217), 7 states have call predecessors, (217), 7 states have return successors, (217), 217 states have call predecessors, (217), 217 states have call successors, (217) [2023-12-02 12:31:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 902 transitions. [2023-12-02 12:31:35,225 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 902 transitions. Word has length 197 [2023-12-02 12:31:35,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:31:35,227 INFO L495 AbstractCegarLoop]: Abstraction has 584 states and 902 transitions. [2023-12-02 12:31:35,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-12-02 12:31:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 902 transitions. [2023-12-02 12:31:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-02 12:31:35,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:31:35,229 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:31:35,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 12:31:35,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 12:31:35,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:31:35,630 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:31:35,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:31:35,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1501600262, now seen corresponding path program 1 times [2023-12-02 12:31:35,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:31:35,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [58108266] [2023-12-02 12:31:35,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:31:35,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:31:35,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:31:35,632 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:31:35,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09d2948e-abc9-430f-b719-355b3986de41/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 12:31:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:31:36,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 12:31:36,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:33:40,833 WARN L293 SmtUtils]: Spent 19.20s on a formula simplification that was a NOOP. DAG size: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:34:58,568 WARN L293 SmtUtils]: Spent 15.88s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:36:41,694 WARN L293 SmtUtils]: Spent 19.82s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:38:43,858 WARN L293 SmtUtils]: Spent 21.70s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:40:20,435 WARN L293 SmtUtils]: Spent 23.60s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:43:34,465 WARN L293 SmtUtils]: Spent 24.07s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:44:55,772 WARN L293 SmtUtils]: Spent 26.38s on a formula simplification that was a NOOP. DAG size: 97 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)