./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 de52c08fb0028bef519c22f81b06d40dd6144270e7f5fea59e5bb117b888da23 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:29:17,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:29:17,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:29:17,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:29:17,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:29:17,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:29:17,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:29:17,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:29:17,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:29:17,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:29:17,495 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:29:17,496 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:29:17,496 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:29:17,497 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:29:17,498 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:29:17,498 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:29:17,499 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:29:17,499 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:29:17,500 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:29:17,500 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:29:17,501 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:29:17,502 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:29:17,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:29:17,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:29:17,503 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:29:17,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:29:17,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:29:17,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:29:17,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:29:17,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:29:17,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:29:17,507 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:29:17,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:29:17,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:29:17,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:29:17,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:29:17,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:29:17,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:29:17,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:29:17,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:29:17,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:29:17,509 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:29:17,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:29:17,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:29:17,509 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:29:17,510 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:29:17,510 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:29:17,510 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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de52c08fb0028bef519c22f81b06d40dd6144270e7f5fea59e5bb117b888da23 [2023-12-02 17:29:17,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:29:17,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:29:17,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:29:17,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:29:17,744 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:29:17,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i [2023-12-02 17:29:20,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:29:20,781 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:29:20,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i [2023-12-02 17:29:20,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/data/d602e6e8a/4f87bd28dc484a64bf3e835c086d49e3/FLAGa172f79c0 [2023-12-02 17:29:20,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/data/d602e6e8a/4f87bd28dc484a64bf3e835c086d49e3 [2023-12-02 17:29:20,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:29:20,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:29:20,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:29:20,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:29:20,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:29:20,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:29:20" (1/1) ... [2023-12-02 17:29:20,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b0f0d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:20, skipping insertion in model container [2023-12-02 17:29:20,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:29:20" (1/1) ... [2023-12-02 17:29:20,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:29:21,011 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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i[916,929] [2023-12-02 17:29:21,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:29:21,145 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:29:21,154 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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i[916,929] [2023-12-02 17:29:21,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:29:21,245 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:29:21,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21 WrapperNode [2023-12-02 17:29:21,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:29:21,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:29:21,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:29:21,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:29:21,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,271 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,322 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 366 [2023-12-02 17:29:21,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:29:21,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:29:21,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:29:21,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:29:21,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:29:21,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:29:21,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:29:21,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:29:21,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (1/1) ... [2023-12-02 17:29:21,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:29:21,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:29:21,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:29:21,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:29:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:29:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:29:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:29:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:29:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:29:21,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:29:21,551 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:29:21,553 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:29:22,211 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:29:22,803 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:29:22,804 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:29:22,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:29:22 BoogieIcfgContainer [2023-12-02 17:29:22,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:29:22,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:29:22,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:29:22,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:29:22,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:29:20" (1/3) ... [2023-12-02 17:29:22,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597bf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:29:22, skipping insertion in model container [2023-12-02 17:29:22,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:21" (2/3) ... [2023-12-02 17:29:22,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597bf42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:29:22, skipping insertion in model container [2023-12-02 17:29:22,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:29:22" (3/3) ... [2023-12-02 17:29:22,815 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-56.i [2023-12-02 17:29:22,834 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:29:22,835 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:29:22,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:29:22,893 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;@5b19a0a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:29:22,893 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:29:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 36 states have internal predecessors, (38), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 17:29:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 17:29:22,915 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:29:22,916 INFO L195 NwaCegarLoop]: trace histogram [50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:29:22,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:29:22,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:29:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash -2087178066, now seen corresponding path program 1 times [2023-12-02 17:29:22,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:29:22,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043018441] [2023-12-02 17:29:22,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:29:22,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:29:23,141 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:29:23,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [99729116] [2023-12-02 17:29:23,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:29:23,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:29:23,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:29:23,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:29:23,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:29:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:29:24,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:29:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:29:30,378 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:29:30,380 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:29:30,381 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:29:30,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:29:30,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:29:30,588 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 17:29:30,592 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:29:30,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:29:30 BoogieIcfgContainer [2023-12-02 17:29:30,741 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:29:30,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:29:30,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:29:30,742 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:29:30,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:29:22" (3/4) ... [2023-12-02 17:29:30,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:29:30,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:29:30,748 INFO L158 Benchmark]: Toolchain (without parser) took 9934.62ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 132.9MB in the beginning and 152.9MB in the end (delta: -20.0MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2023-12-02 17:29:30,748 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:29:30,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.50ms. Allocated memory is still 172.0MB. Free memory was 132.5MB in the beginning and 108.2MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 17:29:30,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.07ms. Allocated memory is still 172.0MB. Free memory was 108.2MB in the beginning and 99.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 17:29:30,750 INFO L158 Benchmark]: Boogie Preprocessor took 65.74ms. Allocated memory is still 172.0MB. Free memory was 99.4MB in the beginning and 95.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:29:30,751 INFO L158 Benchmark]: RCFGBuilder took 1416.43ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 95.6MB in the beginning and 138.1MB in the end (delta: -42.6MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-12-02 17:29:30,752 INFO L158 Benchmark]: TraceAbstraction took 7933.25ms. Allocated memory is still 237.0MB. Free memory was 137.1MB in the beginning and 152.9MB in the end (delta: -15.8MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-12-02 17:29:30,752 INFO L158 Benchmark]: Witness Printer took 4.46ms. Allocated memory is still 237.0MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:29:30,756 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.50ms. Allocated memory is still 172.0MB. Free memory was 132.5MB in the beginning and 108.2MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.07ms. Allocated memory is still 172.0MB. Free memory was 108.2MB in the beginning and 99.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.74ms. Allocated memory is still 172.0MB. Free memory was 99.4MB in the beginning and 95.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1416.43ms. Allocated memory was 172.0MB in the beginning and 237.0MB in the end (delta: 65.0MB). Free memory was 95.6MB in the beginning and 138.1MB in the end (delta: -42.6MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7933.25ms. Allocated memory is still 237.0MB. Free memory was 137.1MB in the beginning and 152.9MB in the end (delta: -15.8MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 4.46ms. Allocated memory is still 237.0MB. Free memory is still 152.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryArithmeticDOUBLEoperation at line 170, overapproximation of bitwiseAnd at line 203, overapproximation of someBinaryDOUBLEComparisonOperation at line 157, overapproximation of someBinaryArithmeticFLOAToperation at line 84, overapproximation of someUnaryFLOAToperation at line 161. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 256.8; [L23] float var_1_4 = 3.5; [L24] float var_1_5 = 99999.8; [L25] float var_1_6 = 0.2; [L26] float var_1_7 = 31.7; [L27] float var_1_11 = 25.75; [L28] float var_1_12 = 128.875; [L29] unsigned short int var_1_13 = 10; [L30] unsigned short int var_1_19 = 8; [L31] signed long int var_1_20 = -100; [L32] unsigned short int var_1_21 = 46727; [L33] float var_1_23 = 8.25; [L34] float var_1_25 = 15.3; [L35] float var_1_27 = 999999.5; [L36] float var_1_28 = 3.8; [L37] float var_1_29 = 128.75; [L38] float var_1_30 = 10.5; [L39] unsigned short int var_1_31 = 16; [L40] unsigned short int var_1_32 = 62701; [L41] unsigned short int var_1_33 = 64739; [L42] unsigned long int var_1_35 = 128; [L43] unsigned long int var_1_36 = 2177764423; [L44] unsigned long int var_1_37 = 2715834536; [L45] unsigned long int var_1_38 = 1565388739; [L46] signed char var_1_39 = 25; [L47] signed char var_1_40 = 64; [L48] signed char var_1_41 = 0; [L49] signed char var_1_42 = 5; [L50] signed char var_1_43 = 16; [L51] unsigned char var_1_44 = 64; [L52] unsigned char var_1_46 = 128; [L53] float var_1_47 = 255.8; [L54] float var_1_48 = 128.25; [L55] unsigned long int var_1_49 = 5; [L56] signed char var_1_51 = 10; [L57] signed char var_1_52 = 32; [L58] signed char var_1_53 = 2; [L59] signed char var_1_54 = 4; [L60] signed char var_1_55 = 1; [L61] double var_1_56 = 1.75; [L62] signed char var_1_57 = -2; [L63] unsigned long int var_1_58 = 500; [L64] unsigned char var_1_59 = 1; [L65] unsigned char var_1_60 = 1; [L66] unsigned char var_1_61 = 1; [L67] unsigned char var_1_62 = 1; [L68] unsigned long int var_1_63 = 10; [L69] unsigned char var_1_64 = 0; [L70] double var_1_65 = 4.2; [L71] signed short int var_1_66 = 64; [L72] float var_1_67 = 4.2; [L73] double var_1_68 = 15.5; [L74] float last_1_var_1_1 = 256.8; [L75] unsigned short int last_1_var_1_13 = 10; [L76] unsigned long int last_1_var_1_35 = 128; [L77] unsigned char last_1_var_1_44 = 64; [L78] signed char last_1_var_1_57 = -2; [L79] unsigned char last_1_var_1_59 = 1; [L349] isInitial = 1 [L350] FCALL initially() [L351] COND TRUE 1 [L352] CALL updateLastVariables() [L337] last_1_var_1_1 = var_1_1 [L338] last_1_var_1_13 = var_1_13 [L339] last_1_var_1_35 = var_1_35 [L340] last_1_var_1_44 = var_1_44 [L341] last_1_var_1_57 = var_1_57 [L342] last_1_var_1_59 = var_1_59 [L352] RET updateLastVariables() [L353] CALL updateVariables() [L256] var_1_4 = __VERIFIER_nondet_float() [L257] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_12=1031/8, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_5=499999/5, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2, var_1_6=1/5, var_1_7=317/10] [L20] COND FALSE !(!cond) [L257] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_12=1031/8, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_5=499999/5, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2, var_1_6=1/5, var_1_7=317/10] [L258] var_1_5 = __VERIFIER_nondet_float() [L259] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_12=1031/8, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2, var_1_6=1/5, var_1_7=317/10] [L20] COND FALSE !(!cond) [L259] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_12=1031/8, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2, var_1_6=1/5, var_1_7=317/10] [L260] var_1_6 = __VERIFIER_nondet_float() [L261] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_12=1031/8, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2, var_1_7=317/10] [L20] COND FALSE !(!cond) [L261] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_12=1031/8, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2, var_1_7=317/10] [L262] var_1_7 = __VERIFIER_nondet_float() [L263] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_12=1031/8, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L263] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_12=1031/8, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L264] var_1_12 = __VERIFIER_nondet_float() [L265] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L265] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-100, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L266] var_1_20 = __VERIFIER_nondet_long() [L267] CALL assume_abort_if_not(var_1_20 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L267] RET assume_abort_if_not(var_1_20 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L268] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L268] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L269] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L269] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=46727, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L270] var_1_21 = __VERIFIER_nondet_ushort() [L271] CALL assume_abort_if_not(var_1_21 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L271] RET assume_abort_if_not(var_1_21 >= 32767) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L272] CALL assume_abort_if_not(var_1_21 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L272] RET assume_abort_if_not(var_1_21 <= 65534) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_23=33/4, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L273] var_1_23 = __VERIFIER_nondet_float() [L274] CALL assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L274] RET assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L275] CALL assume_abort_if_not(var_1_23 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L275] RET assume_abort_if_not(var_1_23 != 0.0F) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_27=1999999/2, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L276] var_1_27 = __VERIFIER_nondet_float() [L277] CALL assume_abort_if_not((var_1_27 >= -230584.3009213691390e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 2305843.009213691390e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L277] RET assume_abort_if_not((var_1_27 >= -230584.3009213691390e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 2305843.009213691390e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_28=19/5, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L278] var_1_28 = __VERIFIER_nondet_float() [L279] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L279] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_29=515/4, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L280] var_1_29 = __VERIFIER_nondet_float() [L281] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L281] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_30=21/2, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L282] var_1_30 = __VERIFIER_nondet_float() [L283] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L283] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=62701, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L284] var_1_32 = __VERIFIER_nondet_ushort() [L285] CALL assume_abort_if_not(var_1_32 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L285] RET assume_abort_if_not(var_1_32 >= 49150) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L286] CALL assume_abort_if_not(var_1_32 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L286] RET assume_abort_if_not(var_1_32 <= 65534) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=64739, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L287] var_1_33 = __VERIFIER_nondet_ushort() [L288] CALL assume_abort_if_not(var_1_33 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L288] RET assume_abort_if_not(var_1_33 >= 49150) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L289] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L289] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=2177764423, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L290] var_1_36 = __VERIFIER_nondet_ulong() [L291] CALL assume_abort_if_not(var_1_36 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L291] RET assume_abort_if_not(var_1_36 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L292] CALL assume_abort_if_not(var_1_36 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L292] RET assume_abort_if_not(var_1_36 <= 4294967294) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=2715834536, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L293] var_1_37 = __VERIFIER_nondet_ulong() [L294] CALL assume_abort_if_not(var_1_37 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L294] RET assume_abort_if_not(var_1_37 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L295] CALL assume_abort_if_not(var_1_37 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L295] RET assume_abort_if_not(var_1_37 <= 4294967294) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1565388739, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L296] var_1_38 = __VERIFIER_nondet_ulong() [L297] CALL assume_abort_if_not(var_1_38 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L297] RET assume_abort_if_not(var_1_38 >= 1073741824) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L298] CALL assume_abort_if_not(var_1_38 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L298] RET assume_abort_if_not(var_1_38 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=64, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L299] var_1_40 = __VERIFIER_nondet_char() [L300] CALL assume_abort_if_not(var_1_40 >= 62) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L300] RET assume_abort_if_not(var_1_40 >= 62) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L301] CALL assume_abort_if_not(var_1_40 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L301] RET assume_abort_if_not(var_1_40 <= 126) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=0, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L302] var_1_41 = __VERIFIER_nondet_char() [L303] CALL assume_abort_if_not(var_1_41 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L303] RET assume_abort_if_not(var_1_41 >= 0) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L304] CALL assume_abort_if_not(var_1_41 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L304] RET assume_abort_if_not(var_1_41 <= 63) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=5, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L305] var_1_42 = __VERIFIER_nondet_char() [L306] CALL assume_abort_if_not(var_1_42 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L306] RET assume_abort_if_not(var_1_42 >= 0) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L307] CALL assume_abort_if_not(var_1_42 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L307] RET assume_abort_if_not(var_1_42 <= 126) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=16, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L308] var_1_43 = __VERIFIER_nondet_char() [L309] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L309] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L310] CALL assume_abort_if_not(var_1_43 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L310] RET assume_abort_if_not(var_1_43 <= 126) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=128, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L311] var_1_46 = __VERIFIER_nondet_uchar() [L312] CALL assume_abort_if_not(var_1_46 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L312] RET assume_abort_if_not(var_1_46 >= 127) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L313] CALL assume_abort_if_not(var_1_46 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L313] RET assume_abort_if_not(var_1_46 <= 254) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=32, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L314] var_1_52 = __VERIFIER_nondet_char() [L315] CALL assume_abort_if_not(var_1_52 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L315] RET assume_abort_if_not(var_1_52 >= 31) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L316] CALL assume_abort_if_not(var_1_52 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L316] RET assume_abort_if_not(var_1_52 <= 63) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=2, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L317] var_1_53 = __VERIFIER_nondet_char() [L318] CALL assume_abort_if_not(var_1_53 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L318] RET assume_abort_if_not(var_1_53 >= 0) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L319] CALL assume_abort_if_not(var_1_53 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L319] RET assume_abort_if_not(var_1_53 <= 31) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=4, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L320] var_1_54 = __VERIFIER_nondet_char() [L321] CALL assume_abort_if_not(var_1_54 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L321] RET assume_abort_if_not(var_1_54 >= 0) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L322] CALL assume_abort_if_not(var_1_54 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L322] RET assume_abort_if_not(var_1_54 <= 32) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=1, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L323] var_1_55 = __VERIFIER_nondet_char() [L324] CALL assume_abort_if_not(var_1_55 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L324] RET assume_abort_if_not(var_1_55 >= 0) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L325] CALL assume_abort_if_not(var_1_55 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L325] RET assume_abort_if_not(var_1_55 <= 31) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L326] var_1_60 = __VERIFIER_nondet_uchar() [L327] CALL assume_abort_if_not(var_1_60 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L327] RET assume_abort_if_not(var_1_60 >= 1) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L328] CALL assume_abort_if_not(var_1_60 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L328] RET assume_abort_if_not(var_1_60 <= 1) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L329] var_1_61 = __VERIFIER_nondet_uchar() [L330] CALL assume_abort_if_not(var_1_61 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L330] RET assume_abort_if_not(var_1_61 >= 1) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L331] CALL assume_abort_if_not(var_1_61 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L331] RET assume_abort_if_not(var_1_61 <= 1) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L332] var_1_62 = __VERIFIER_nondet_uchar() [L333] CALL assume_abort_if_not(var_1_62 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L333] RET assume_abort_if_not(var_1_62 >= 1) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L334] CALL assume_abort_if_not(var_1_62 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L20] COND FALSE !(!cond) [L334] RET assume_abort_if_not(var_1_62 <= 1) VAL [isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=103/4, var_1_13=10, var_1_19=8, var_1_1=1284/5, var_1_20=-1, var_1_21=32767, var_1_25=153/10, var_1_31=16, var_1_32=49150, var_1_33=49150, var_1_35=128, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=64, var_1_46=153, var_1_47=1279/5, var_1_48=513/4, var_1_49=5, var_1_51=10, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=-2, var_1_58=500, var_1_59=1, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=10, var_1_64=0, var_1_65=21/5, var_1_66=64, var_1_67=21/5, var_1_68=31/2] [L353] RET updateVariables() [L354] CALL step() [L83] COND FALSE !((var_1_20 * (- last_1_var_1_57)) > (last_1_var_1_44 * last_1_var_1_44)) [L86] var_1_25 = (((((var_1_12) < (var_1_28)) ? (var_1_12) : (var_1_28))) - (var_1_29 + ((((var_1_30) < (10000.5f)) ? (var_1_30) : (10000.5f))))) [L88] COND FALSE !(var_1_5 > ((var_1_30 + var_1_28) * 1.75f)) [L91] var_1_64 = var_1_61 [L93] var_1_65 = ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L94] COND TRUE \read(var_1_61) [L95] var_1_67 = var_1_30 [L99] COND TRUE \read(var_1_64) [L100] var_1_11 = (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) - var_1_12) [L102] unsigned char stepLocal_4 = var_1_64; [L103] COND TRUE stepLocal_4 || var_1_64 [L104] var_1_44 = (((((var_1_46) < 0 ) ? -(var_1_46) : (var_1_46))) - ((((var_1_40) > (((((var_1_42) < (var_1_43)) ? (var_1_42) : (var_1_43))))) ? (var_1_40) : (((((var_1_42) < (var_1_43)) ? (var_1_42) : (var_1_43))))))) [L106] COND FALSE !((var_1_38 / var_1_40) <= (var_1_33 + var_1_44)) [L113] var_1_48 = ((((var_1_6) > ((var_1_29 - var_1_30))) ? (var_1_6) : ((var_1_29 - var_1_30)))) [L115] COND TRUE var_1_20 != (var_1_52 / var_1_32) [L116] var_1_58 = ((4119887835u - ((((var_1_32) < (var_1_46)) ? (var_1_32) : (var_1_46)))) - var_1_44) [L126] unsigned char stepLocal_9 = var_1_64; [L127] COND TRUE stepLocal_9 || var_1_64 [L128] var_1_59 = (! ((var_1_60 && var_1_61) && (last_1_var_1_59 || var_1_62))) [L132] COND FALSE !(\read(var_1_59)) [L135] signed long int stepLocal_1 = 128; [L136] COND FALSE !(stepLocal_1 < (var_1_44 / var_1_20)) [L139] COND FALSE !((- var_1_5) >= (var_1_4 / var_1_23)) [L147] unsigned char stepLocal_3 = var_1_64; [L148] unsigned char stepLocal_2 = var_1_30 >= var_1_12; [L149] COND FALSE !(stepLocal_2 && var_1_59) [L152] COND TRUE stepLocal_3 && var_1_64 [L153] var_1_31 = ((((((var_1_32) < (var_1_33)) ? (var_1_32) : (var_1_33))) - ((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44)))) - 256) [L156] COND TRUE \read(var_1_64) [L157] COND FALSE !((((((var_1_4) < (var_1_48)) ? (var_1_4) : (var_1_48))) * var_1_65) <= ((((var_1_23) < (var_1_30)) ? (var_1_23) : (var_1_30)))) [L160] COND FALSE !(var_1_65 <= var_1_4) [L163] var_1_47 = var_1_7 [L169] COND FALSE !(\read(var_1_59)) [L172] unsigned char stepLocal_11 = var_1_62; [L173] signed long int stepLocal_10 = (((var_1_31) < (var_1_44)) ? (var_1_31) : (var_1_44)); [L174] COND TRUE stepLocal_10 < (- var_1_58) [L175] COND TRUE var_1_64 || stepLocal_11 [L176] var_1_63 = ((((((((((((var_1_52) > (var_1_44)) ? (var_1_52) : (var_1_44)))) < (((((var_1_37) < (var_1_54)) ? (var_1_37) : (var_1_54))))) ? (((((var_1_52) > (var_1_44)) ? (var_1_52) : (var_1_44)))) : (((((var_1_37) < (var_1_54)) ? (var_1_37) : (var_1_54))))))) > ((((((var_1_36 - var_1_40)) < (var_1_41)) ? ((var_1_36 - var_1_40)) : (var_1_41))))) ? (((((((((var_1_52) > (var_1_44)) ? (var_1_52) : (var_1_44)))) < (((((var_1_37) < (var_1_54)) ? (var_1_37) : (var_1_54))))) ? (((((var_1_52) > (var_1_44)) ? (var_1_52) : (var_1_44)))) : (((((var_1_37) < (var_1_54)) ? (var_1_37) : (var_1_54))))))) : ((((((var_1_36 - var_1_40)) < (var_1_41)) ? ((var_1_36 - var_1_40)) : (var_1_41)))))) [L179] COND TRUE last_1_var_1_1 != var_1_47 [L180] COND FALSE !(var_1_47 < (var_1_4 - 2.5f)) [L183] var_1_1 = (var_1_7 + ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) > (1.487f)) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : (1.487f)))) [L190] COND FALSE !((! var_1_64) && (var_1_7 < var_1_1)) [L197] var_1_35 = (var_1_32 + var_1_44) [L199] COND FALSE !((var_1_32 * (var_1_63 * var_1_58)) <= ((var_1_38 / var_1_33) * var_1_44)) [L202] unsigned long int stepLocal_5 = var_1_63; [L203] EXPR var_1_46 & ((((var_1_40) < (var_1_36)) ? (var_1_40) : (var_1_36))) [L203] COND FALSE !((var_1_46 & ((((var_1_40) < (var_1_36)) ? (var_1_40) : (var_1_36)))) != stepLocal_5) [L206] var_1_49 = var_1_35 [L208] COND FALSE !(var_1_31 <= ((var_1_44 / var_1_40) >> 25)) [L217] var_1_68 = var_1_12 [L219] signed long int stepLocal_0 = ((((64) > (var_1_19)) ? (64) : (var_1_19))) / ((((-50) < 0 ) ? -(-50) : (-50))); [L220] COND FALSE !(\read(var_1_59)) [L227] var_1_13 = var_1_44 [L229] unsigned char stepLocal_6 = var_1_44 >= var_1_13; [L230] COND TRUE stepLocal_6 || var_1_64 [L231] var_1_51 = (var_1_41 + ((var_1_52 - var_1_53) - (var_1_54 + var_1_55))) [L235] unsigned char stepLocal_8 = var_1_44 != (var_1_21 - var_1_42); [L236] signed long int stepLocal_7 = 10; [L237] COND FALSE !((! (0 <= var_1_13)) && stepLocal_8) [L252] var_1_57 = (var_1_55 - var_1_53) [L354] RET step() [L355] CALL, EXPR property() [L345] EXPR ((((((((((((last_1_var_1_1 != var_1_47) ? ((var_1_47 < (var_1_4 - 2.5f)) ? (var_1_1 == ((float) ((((9.5f) < ((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))) + var_1_7))) ? (9.5f) : ((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))) + var_1_7)))))) : (var_1_1 == ((float) (var_1_7 + ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) > (1.487f)) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : (1.487f))))))) : (((var_1_59 && var_1_64) || var_1_59) ? (var_1_1 == ((float) ((((var_1_7) < ((var_1_6 + var_1_5))) ? (var_1_7) : ((var_1_6 + var_1_5)))))) : 1)) && (var_1_64 ? (var_1_11 == ((float) (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) - var_1_12))) : 1)) && (var_1_59 ? ((((~ var_1_39) * (last_1_var_1_13 + var_1_63)) >= (((((64) > (var_1_19)) ? (64) : (var_1_19))) / ((((-50) < 0 ) ? -(-50) : (-50))))) ? (var_1_13 == ((unsigned short int) var_1_44)) : (var_1_13 == ((unsigned short int) var_1_44))) : (var_1_13 == ((unsigned short int) var_1_44)))) && ((128 < (var_1_44 / var_1_20)) ? (var_1_19 == ((unsigned short int) ((((0) < ((var_1_21 - var_1_44))) ? (0) : ((var_1_21 - var_1_44)))))) : (((- var_1_5) >= (var_1_4 / var_1_23)) ? ((! var_1_59) ? (var_1_19 == ((unsigned short int) ((((var_1_44) < (var_1_44)) ? (var_1_44) : (var_1_44))))) : (var_1_19 == ((unsigned short int) ((((0) < ((var_1_44 + var_1_44))) ? (0) : ((var_1_44 + var_1_44))))))) : 1))) && (((var_1_20 * (- last_1_var_1_57)) > (last_1_var_1_44 * last_1_var_1_44)) ? (var_1_25 == ((float) ((var_1_27 + 63.5f) + ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : (var_1_25 == ((float) (((((var_1_12) < (var_1_28)) ? (var_1_12) : (var_1_28))) - (var_1_29 + ((((var_1_30) < (10000.5f)) ? (var_1_30) : (10000.5f))))))))) && (((var_1_30 >= var_1_12) && var_1_59) ? (var_1_31 == ((unsigned short int) (var_1_44 + var_1_44))) : ((var_1_64 && var_1_64) ? (var_1_31 == ((unsigned short int) ((((((var_1_32) < (var_1_33)) ? (var_1_32) : (var_1_33))) - ((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44)))) - 256))) : 1))) && (((! var_1_64) && (var_1_7 < var_1_1)) ? ((last_1_var_1_35 >= var_1_20) ? (var_1_35 == ((unsigned long int) (((((var_1_36) > (var_1_37)) ? (var_1_36) : (var_1_37))) - var_1_21))) : (var_1_35 == ((unsigned long int) ((1089471642u + var_1_38) - (var_1_33 + var_1_21))))) : (var_1_35 == ((unsigned long int) (var_1_32 + var_1_44))))) && (((var_1_32 * (var_1_63 * var_1_58)) <= ((var_1_38 / var_1_33) * var_1_44)) ? (var_1_39 == ((signed char) ((((((var_1_40) > (64)) ? (var_1_40) : (64))) - var_1_41) - ((((var_1_42) < (var_1_43)) ? (var_1_42) : (var_1_43)))))) : 1)) && ((var_1_64 || var_1_64) ? (var_1_44 == ((unsigned char) (((((var_1_46) < 0 ) ? -(var_1_46) : (var_1_46))) - ((((var_1_40) > (((((var_1_42) < (var_1_43)) ? (var_1_42) : (var_1_43))))) ? (var_1_40) : (((((var_1_42) < (var_1_43)) ? (var_1_42) : (var_1_43))))))))) : 1)) && (var_1_64 ? (((((((var_1_4) < (var_1_48)) ? (var_1_4) : (var_1_48))) * var_1_65) <= ((((var_1_23) < (var_1_30)) ? (var_1_23) : (var_1_30)))) ? (var_1_47 == ((float) var_1_6)) : ((var_1_65 <= var_1_4) ? (var_1_47 == ((float) ((((var_1_29 + ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))) < 0 ) ? -(var_1_29 + ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_29 + ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))) : (var_1_47 == ((float) var_1_7)))) : (var_1_47 == ((float) var_1_12)))) && (((var_1_38 / var_1_40) <= (var_1_33 + var_1_44)) ? (((var_1_21 - var_1_44) == ((var_1_43 * var_1_46) << (10 - 4))) ? (var_1_48 == ((float) (var_1_7 + var_1_29))) : (var_1_48 == ((float) ((((var_1_30) < (var_1_28)) ? (var_1_30) : (var_1_28)))))) : (var_1_48 == ((float) ((((var_1_6) > ((var_1_29 - var_1_30))) ? (var_1_6) : ((var_1_29 - var_1_30)))))))) && (((var_1_46 & ((((var_1_40) < (var_1_36)) ? (var_1_40) : (var_1_36)))) != var_1_63) ? (var_1_49 == ((unsigned long int) var_1_35)) : (var_1_49 == ((unsigned long int) var_1_35))) [L345-L346] return (((((((((((((((((((((((last_1_var_1_1 != var_1_47) ? ((var_1_47 < (var_1_4 - 2.5f)) ? (var_1_1 == ((float) ((((9.5f) < ((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))) + var_1_7))) ? (9.5f) : ((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))) + var_1_7)))))) : (var_1_1 == ((float) (var_1_7 + ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) > (1.487f)) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : (1.487f))))))) : (((var_1_59 && var_1_64) || var_1_59) ? (var_1_1 == ((float) ((((var_1_7) < ((var_1_6 + var_1_5))) ? (var_1_7) : ((var_1_6 + var_1_5)))))) : 1)) && (var_1_64 ? (var_1_11 == ((float) (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) - var_1_12))) : 1)) && (var_1_59 ? ((((~ var_1_39) * (last_1_var_1_13 + var_1_63)) >= (((((64) > (var_1_19)) ? (64) : (var_1_19))) / ((((-50) < 0 ) ? -(-50) : (-50))))) ? (var_1_13 == ((unsigned short int) var_1_44)) : (var_1_13 == ((unsigned short int) var_1_44))) : (var_1_13 == ((unsigned short int) var_1_44)))) && ((128 < (var_1_44 / var_1_20)) ? (var_1_19 == ((unsigned short int) ((((0) < ((var_1_21 - var_1_44))) ? (0) : ((var_1_21 - var_1_44)))))) : (((- var_1_5) >= (var_1_4 / var_1_23)) ? ((! var_1_59) ? (var_1_19 == ((unsigned short int) ((((var_1_44) < (var_1_44)) ? (var_1_44) : (var_1_44))))) : (var_1_19 == ((unsigned short int) ((((0) < ((var_1_44 + var_1_44))) ? (0) : ((var_1_44 + var_1_44))))))) : 1))) && (((var_1_20 * (- last_1_var_1_57)) > (last_1_var_1_44 * last_1_var_1_44)) ? (var_1_25 == ((float) ((var_1_27 + 63.5f) + ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : (var_1_25 == ((float) (((((var_1_12) < (var_1_28)) ? (var_1_12) : (var_1_28))) - (var_1_29 + ((((var_1_30) < (10000.5f)) ? (var_1_30) : (10000.5f))))))))) && (((var_1_30 >= var_1_12) && var_1_59) ? (var_1_31 == ((unsigned short int) (var_1_44 + var_1_44))) : ((var_1_64 && var_1_64) ? (var_1_31 == ((unsigned short int) ((((((var_1_32) < (var_1_33)) ? (var_1_32) : (var_1_33))) - ((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44)))) - 256))) : 1))) && (((! var_1_64) && (var_1_7 < var_1_1)) ? ((last_1_var_1_35 >= var_1_20) ? (var_1_35 == ((unsigned long int) (((((var_1_36) > (var_1_37)) ? (var_1_36) : (var_1_37))) - var_1_21))) : (var_1_35 == ((unsigned long int) ((1089471642u + var_1_38) - (var_1_33 + var_1_21))))) : (var_1_35 == ((unsigned long int) (var_1_32 + var_1_44))))) && (((var_1_32 * (var_1_63 * var_1_58)) <= ((var_1_38 / var_1_33) * var_1_44)) ? (var_1_39 == ((signed char) ((((((var_1_40) > (64)) ? (var_1_40) : (64))) - var_1_41) - ((((var_1_42) < (var_1_43)) ? (var_1_42) : (var_1_43)))))) : 1)) && ((var_1_64 || var_1_64) ? (var_1_44 == ((unsigned char) (((((var_1_46) < 0 ) ? -(var_1_46) : (var_1_46))) - ((((var_1_40) > (((((var_1_42) < (var_1_43)) ? (var_1_42) : (var_1_43))))) ? (var_1_40) : (((((var_1_42) < (var_1_43)) ? (var_1_42) : (var_1_43))))))))) : 1)) && (var_1_64 ? (((((((var_1_4) < (var_1_48)) ? (var_1_4) : (var_1_48))) * var_1_65) <= ((((var_1_23) < (var_1_30)) ? (var_1_23) : (var_1_30)))) ? (var_1_47 == ((float) var_1_6)) : ((var_1_65 <= var_1_4) ? (var_1_47 == ((float) ((((var_1_29 + ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))) < 0 ) ? -(var_1_29 + ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_29 + ((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6)))))))) : (var_1_47 == ((float) var_1_7)))) : (var_1_47 == ((float) var_1_12)))) && (((var_1_38 / var_1_40) <= (var_1_33 + var_1_44)) ? (((var_1_21 - var_1_44) == ((var_1_43 * var_1_46) << (10 - 4))) ? (var_1_48 == ((float) (var_1_7 + var_1_29))) : (var_1_48 == ((float) ((((var_1_30) < (var_1_28)) ? (var_1_30) : (var_1_28)))))) : (var_1_48 == ((float) ((((var_1_6) > ((var_1_29 - var_1_30))) ? (var_1_6) : ((var_1_29 - var_1_30)))))))) && (((var_1_46 & ((((var_1_40) < (var_1_36)) ? (var_1_40) : (var_1_36)))) != var_1_63) ? (var_1_49 == ((unsigned long int) var_1_35)) : (var_1_49 == ((unsigned long int) var_1_35)))) && (((var_1_44 >= var_1_13) || var_1_64) ? (var_1_51 == ((signed char) (var_1_41 + ((var_1_52 - var_1_53) - (var_1_54 + var_1_55))))) : (var_1_51 == ((signed char) (var_1_41 + var_1_55))))) && (var_1_59 ? (var_1_56 == ((double) ((var_1_30 - 2.8) + var_1_5))) : 1)) && (((! (0 <= var_1_13)) && (var_1_44 != (var_1_21 - var_1_42))) ? ((10 >= var_1_35) ? (var_1_57 == ((signed char) (var_1_53 + var_1_55))) : (var_1_59 ? ((var_1_25 > var_1_65) ? (var_1_57 == ((signed char) ((((((var_1_54 + var_1_55)) > (var_1_41)) ? ((var_1_54 + var_1_55)) : (var_1_41))) + var_1_53))) : (var_1_57 == ((signed char) (((((((((var_1_41) < (var_1_54)) ? (var_1_41) : (var_1_54)))) > (var_1_53)) ? (((((var_1_41) < (var_1_54)) ? (var_1_41) : (var_1_54)))) : (var_1_53))) + var_1_52)))) : (var_1_57 == ((signed char) (((((((((var_1_41 + 1)) < (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40))))) ? ((var_1_41 + 1)) : (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40))))))) > (var_1_42)) ? ((((((var_1_41 + 1)) < (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40))))) ? ((var_1_41 + 1)) : (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40))))))) : (var_1_42))))))) : (var_1_57 == ((signed char) (var_1_55 - var_1_53))))) && ((var_1_20 != (var_1_52 / var_1_32)) ? (var_1_58 == ((unsigned long int) ((4119887835u - ((((var_1_32) < (var_1_46)) ? (var_1_32) : (var_1_46)))) - var_1_44))) : ((var_1_44 < var_1_37) ? (var_1_58 == ((unsigned long int) var_1_52)) : ((var_1_28 > 24.6f) ? (var_1_58 == ((unsigned long int) (var_1_36 - var_1_46))) : 1)))) && ((var_1_64 || var_1_64) ? (var_1_59 == ((unsigned char) (! ((var_1_60 && var_1_61) && (last_1_var_1_59 || var_1_62))))) : (var_1_59 == ((unsigned char) (var_1_62 || var_1_60))))) && ((((((var_1_31) < (var_1_44)) ? (var_1_31) : (var_1_44))) < (- var_1_58)) ? ((var_1_64 || var_1_62) ? (var_1_63 == ((unsigned long int) ((((((((((((var_1_52) > (var_1_44)) ? (var_1_52) : (var_1_44)))) < (((((var_1_37) < (var_1_54)) ? (var_1_37) : (var_1_54))))) ? (((((var_1_52) > (var_1_44)) ? (var_1_52) : (var_1_44)))) : (((((var_1_37) < (var_1_54)) ? (var_1_37) : (var_1_54))))))) > ((((((var_1_36 - var_1_40)) < (var_1_41)) ? ((var_1_36 - var_1_40)) : (var_1_41))))) ? (((((((((var_1_52) > (var_1_44)) ? (var_1_52) : (var_1_44)))) < (((((var_1_37) < (var_1_54)) ? (var_1_37) : (var_1_54))))) ? (((((var_1_52) > (var_1_44)) ? (var_1_52) : (var_1_44)))) : (((((var_1_37) < (var_1_54)) ? (var_1_37) : (var_1_54))))))) : ((((((var_1_36 - var_1_40)) < (var_1_41)) ? ((var_1_36 - var_1_40)) : (var_1_41)))))))) : 1) : 1)) && ((var_1_5 > ((var_1_30 + var_1_28) * 1.75f)) ? (var_1_64 == ((unsigned char) ((var_1_52 >= 8) || var_1_61))) : (var_1_64 == ((unsigned char) var_1_61)))) && (var_1_65 == ((double) ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))))) && (var_1_59 ? (var_1_66 == ((signed short int) var_1_43)) : 1)) && (var_1_61 ? (var_1_67 == ((float) var_1_30)) : (var_1_67 == ((float) var_1_12)))) && ((var_1_31 <= ((var_1_44 / var_1_40) >> 25)) ? ((var_1_55 != var_1_35) ? ((var_1_20 < var_1_44) ? (var_1_68 == ((double) var_1_5)) : (var_1_68 == ((double) var_1_29))) : 1) : (var_1_68 == ((double) var_1_12))) ; [L355] RET, EXPR property() [L355] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=0, var_1_12=2, var_1_13=28, var_1_19=8, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_28=0, var_1_29=0, var_1_30=3, var_1_31=48866, var_1_32=49150, var_1_33=49150, var_1_35=49178, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=28, var_1_46=153, var_1_47=5, var_1_48=4, var_1_49=49178, var_1_51=-1, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=28, var_1_58=4119887654, var_1_59=0, var_1_5=0, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=34, var_1_64=1, var_1_65=6, var_1_66=64, var_1_67=3, var_1_68=2, var_1_6=6, var_1_7=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=10, last_1_var_1_1=1284/5, last_1_var_1_35=128, last_1_var_1_44=64, last_1_var_1_57=-2, last_1_var_1_59=1, var_1_11=0, var_1_12=2, var_1_13=28, var_1_19=8, var_1_1=0, var_1_20=-1, var_1_21=32767, var_1_28=0, var_1_29=0, var_1_30=3, var_1_31=48866, var_1_32=49150, var_1_33=49150, var_1_35=49178, var_1_36=4294967294, var_1_37=4294967294, var_1_38=1075696900, var_1_39=25, var_1_40=124, var_1_41=34, var_1_42=126, var_1_43=125, var_1_44=28, var_1_46=153, var_1_47=5, var_1_48=4, var_1_49=49178, var_1_51=-1, var_1_52=31, var_1_53=3, var_1_54=32, var_1_55=31, var_1_56=7/4, var_1_57=28, var_1_58=4119887654, var_1_59=0, var_1_5=0, var_1_60=1, var_1_61=1, var_1_62=1, var_1_63=34, var_1_64=1, var_1_65=6, var_1_66=64, var_1_67=3, var_1_68=2, var_1_6=6, var_1_7=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 1, TraceHistogramMax: 50, 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=88occurred 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, 1.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 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 17:29:30,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 de52c08fb0028bef519c22f81b06d40dd6144270e7f5fea59e5bb117b888da23 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:29:32,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:29:32,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 17:29:32,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:29:32,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:29:32,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:29:32,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:29:32,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:29:32,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:29:32,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:29:32,795 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:29:32,796 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:29:32,796 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:29:32,797 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:29:32,797 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:29:32,798 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:29:32,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:29:32,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:29:32,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:29:32,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:29:32,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:29:32,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:29:32,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:29:32,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:29:32,803 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:29:32,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:29:32,803 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:29:32,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:29:32,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:29:32,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:29:32,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:29:32,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:29:32,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:29:32,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:29:32,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:29:32,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:29:32,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:29:32,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:29:32,807 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:29:32,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:29:32,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:29:32,808 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:29:32,808 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:29:32,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:29:32,808 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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de52c08fb0028bef519c22f81b06d40dd6144270e7f5fea59e5bb117b888da23 [2023-12-02 17:29:33,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:29:33,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:29:33,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:29:33,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:29:33,132 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:29:33,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i [2023-12-02 17:29:35,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:29:36,119 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:29:36,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i [2023-12-02 17:29:36,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/data/53d4b4a85/a97a775517fe4a75b47c016eb173fc8c/FLAG7b1a12693 [2023-12-02 17:29:36,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/data/53d4b4a85/a97a775517fe4a75b47c016eb173fc8c [2023-12-02 17:29:36,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:29:36,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:29:36,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:29:36,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:29:36,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:29:36,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a07b49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36, skipping insertion in model container [2023-12-02 17:29:36,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,205 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:29:36,359 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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i[916,929] [2023-12-02 17:29:36,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:29:36,545 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:29:36,558 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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount250_file-56.i[916,929] [2023-12-02 17:29:36,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:29:36,644 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:29:36,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36 WrapperNode [2023-12-02 17:29:36,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:29:36,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:29:36,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:29:36,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:29:36,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,717 INFO L138 Inliner]: procedures = 27, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 338 [2023-12-02 17:29:36,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:29:36,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:29:36,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:29:36,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:29:36,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,780 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,790 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:29:36,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:29:36,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:29:36,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:29:36,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (1/1) ... [2023-12-02 17:29:36,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:29:36,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:29:36,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:29:36,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:29:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:29:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:29:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:29:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:29:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:29:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:29:37,012 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:29:37,015 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:29:51,103 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:29:51,153 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:29:51,154 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:29:51,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:29:51 BoogieIcfgContainer [2023-12-02 17:29:51,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:29:51,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:29:51,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:29:51,159 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:29:51,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:29:36" (1/3) ... [2023-12-02 17:29:51,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4949e87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:29:51, skipping insertion in model container [2023-12-02 17:29:51,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:29:36" (2/3) ... [2023-12-02 17:29:51,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4949e87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:29:51, skipping insertion in model container [2023-12-02 17:29:51,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:29:51" (3/3) ... [2023-12-02 17:29:51,162 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount250_file-56.i [2023-12-02 17:29:51,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:29:51,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:29:51,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:29:51,227 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;@7d395690, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:29:51,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:29:51,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 89 states have (on average 1.5056179775280898) internal successors, (134), 90 states have internal predecessors, (134), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 17:29:51,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-12-02 17:29:51,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:29:51,253 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:29:51,253 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:29:51,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:29:51,258 INFO L85 PathProgramCache]: Analyzing trace with hash 602133540, now seen corresponding path program 1 times [2023-12-02 17:29:51,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:29:51,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199819244] [2023-12-02 17:29:51,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:29:51,272 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 17:29:51,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:29:51,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:29:51,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:29:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:29:52,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 17:29:52,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:29:52,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1874 proven. 0 refuted. 0 times theorem prover too weak. 3026 trivial. 0 not checked. [2023-12-02 17:29:52,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:29:52,835 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:29:52,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199819244] [2023-12-02 17:29:52,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199819244] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:29:52,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:29:52,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:29:52,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632892429] [2023-12-02 17:29:52,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:29:52,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:29:52,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:29:52,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:29:52,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:29:52,869 INFO L87 Difference]: Start difference. First operand has 142 states, 89 states have (on average 1.5056179775280898) internal successors, (134), 90 states have internal predecessors, (134), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-12-02 17:29:55,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:29:55,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:29:55,628 INFO L93 Difference]: Finished difference Result 278 states and 510 transitions. [2023-12-02 17:29:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:29:55,799 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 317 [2023-12-02 17:29:55,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:29:55,806 INFO L225 Difference]: With dead ends: 278 [2023-12-02 17:29:55,806 INFO L226 Difference]: Without dead ends: 137 [2023-12-02 17:29:55,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 316 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 17:29:55,812 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-02 17:29:55,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2023-12-02 17:29:55,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-12-02 17:29:55,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-12-02 17:29:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 85 states have internal predecessors, (122), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 17:29:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 222 transitions. [2023-12-02 17:29:55,864 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 222 transitions. Word has length 317 [2023-12-02 17:29:55,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:29:55,865 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 222 transitions. [2023-12-02 17:29:55,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-12-02 17:29:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 222 transitions. [2023-12-02 17:29:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-12-02 17:29:55,874 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:29:55,875 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:29:55,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:29:56,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:29:56,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:29:56,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:29:56,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1088322632, now seen corresponding path program 1 times [2023-12-02 17:29:56,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:29:56,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [705986853] [2023-12-02 17:29:56,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:29:56,078 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 17:29:56,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:29:56,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:29:56,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:29:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:29:57,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 17:29:57,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:29:58,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 693 proven. 9 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2023-12-02 17:29:58,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:29:58,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-02 17:29:58,723 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:29:58,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [705986853] [2023-12-02 17:29:58,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [705986853] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:29:58,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1691361999] [2023-12-02 17:29:58,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:29:58,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:29:58,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:29:58,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:29:58,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 17:29:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:29:59,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:29:59,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:30:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2023-12-02 17:30:00,291 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:30:00,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1691361999] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:30:00,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:30:00,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2023-12-02 17:30:00,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202641852] [2023-12-02 17:30:00,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:30:00,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:30:00,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:30:00,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:30:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:30:00,297 INFO L87 Difference]: Start difference. First operand 137 states and 222 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:30:03,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:30:05,913 WARN L539 Checker$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 17:30:07,921 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 17:30:08,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:30:08,586 INFO L93 Difference]: Finished difference Result 403 states and 653 transitions. [2023-12-02 17:30:08,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:30:08,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 317 [2023-12-02 17:30:08,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:30:08,600 INFO L225 Difference]: With dead ends: 403 [2023-12-02 17:30:08,600 INFO L226 Difference]: Without dead ends: 267 [2023-12-02 17:30:08,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 948 GetRequests, 941 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:30:08,603 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 196 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-12-02 17:30:08,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 571 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 40 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2023-12-02 17:30:08,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-12-02 17:30:08,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 174. [2023-12-02 17:30:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 122 states have (on average 1.4918032786885247) internal successors, (182), 122 states have internal predecessors, (182), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 17:30:08,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 282 transitions. [2023-12-02 17:30:08,636 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 282 transitions. Word has length 317 [2023-12-02 17:30:08,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:30:08,639 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 282 transitions. [2023-12-02 17:30:08,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:30:08,640 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 282 transitions. [2023-12-02 17:30:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-12-02 17:30:08,645 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:30:08,646 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:30:08,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 17:30:08,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:09,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:09,049 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:30:09,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:30:09,050 INFO L85 PathProgramCache]: Analyzing trace with hash -813563018, now seen corresponding path program 1 times [2023-12-02 17:30:09,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:30:09,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1283107791] [2023-12-02 17:30:09,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:30:09,051 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 17:30:09,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:30:09,052 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:09,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:30:10,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 17:30:10,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:30:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 693 proven. 9 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2023-12-02 17:30:10,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:30:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-02 17:30:11,512 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:30:11,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1283107791] [2023-12-02 17:30:11,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1283107791] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:30:11,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1035799695] [2023-12-02 17:30:11,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:30:11,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:30:11,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:30:11,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:30:11,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 17:30:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:30:12,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:30:12,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:30:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2023-12-02 17:30:12,896 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:30:12,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1035799695] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:30:12,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:30:12,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2023-12-02 17:30:12,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935819461] [2023-12-02 17:30:12,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:30:12,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:30:12,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:30:12,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:30:12,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:30:12,899 INFO L87 Difference]: Start difference. First operand 174 states and 282 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:30:14,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:30:17,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:30:19,198 WARN L539 Checker$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 17:30:21,201 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 17:30:21,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:30:21,403 INFO L93 Difference]: Finished difference Result 516 states and 836 transitions. [2023-12-02 17:30:21,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:30:21,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 317 [2023-12-02 17:30:21,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:30:21,410 INFO L225 Difference]: With dead ends: 516 [2023-12-02 17:30:21,410 INFO L226 Difference]: Without dead ends: 343 [2023-12-02 17:30:21,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 948 GetRequests, 941 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 17:30:21,412 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 202 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:30:21,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 416 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2023-12-02 17:30:21,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-12-02 17:30:21,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 225. [2023-12-02 17:30:21,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 173 states have (on average 1.5202312138728324) internal successors, (263), 173 states have internal predecessors, (263), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 17:30:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 363 transitions. [2023-12-02 17:30:21,444 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 363 transitions. Word has length 317 [2023-12-02 17:30:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:30:21,446 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 363 transitions. [2023-12-02 17:30:21,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:30:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 363 transitions. [2023-12-02 17:30:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-12-02 17:30:21,450 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:30:21,450 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:30:21,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 17:30:21,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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)] Ended with exit code 0 [2023-12-02 17:30:21,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:21,858 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:30:21,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:30:21,858 INFO L85 PathProgramCache]: Analyzing trace with hash 8156465, now seen corresponding path program 1 times [2023-12-02 17:30:21,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:30:21,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083627700] [2023-12-02 17:30:21,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:30:21,859 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 17:30:21,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:30:21,860 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:21,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:30:23,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 17:30:23,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:30:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 693 proven. 9 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2023-12-02 17:30:23,615 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:30:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-02 17:30:24,267 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:30:24,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083627700] [2023-12-02 17:30:24,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083627700] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:30:24,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [545169654] [2023-12-02 17:30:24,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:30:24,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:30:24,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:30:24,269 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:30:24,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 17:30:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:30:25,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:30:25,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:30:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2023-12-02 17:30:25,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:30:25,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [545169654] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:30:25,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:30:25,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 9 [2023-12-02 17:30:25,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525319115] [2023-12-02 17:30:25,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:30:25,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:30:25,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:30:25,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:30:25,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 17:30:25,793 INFO L87 Difference]: Start difference. First operand 225 states and 363 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:30:29,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:30:31,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:30:33,653 WARN L539 Checker$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 17:30:35,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:30:37,662 WARN L539 Checker$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 17:30:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:30:39,294 INFO L93 Difference]: Finished difference Result 566 states and 911 transitions. [2023-12-02 17:30:39,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 17:30:39,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 318 [2023-12-02 17:30:39,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:30:39,304 INFO L225 Difference]: With dead ends: 566 [2023-12-02 17:30:39,304 INFO L226 Difference]: Without dead ends: 342 [2023-12-02 17:30:39,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 952 GetRequests, 943 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:30:39,306 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 298 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:30:39,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 737 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 161 Invalid, 5 Unknown, 0 Unchecked, 13.4s Time] [2023-12-02 17:30:39,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2023-12-02 17:30:39,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 225. [2023-12-02 17:30:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 173 states have (on average 1.5202312138728324) internal successors, (263), 173 states have internal predecessors, (263), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 17:30:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 363 transitions. [2023-12-02 17:30:39,329 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 363 transitions. Word has length 318 [2023-12-02 17:30:39,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:30:39,330 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 363 transitions. [2023-12-02 17:30:39,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:30:39,331 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 363 transitions. [2023-12-02 17:30:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-12-02 17:30:39,334 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:30:39,334 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:30:39,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:39,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 17:30:39,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 17:30:39,745 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:30:39,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:30:39,746 INFO L85 PathProgramCache]: Analyzing trace with hash 709756339, now seen corresponding path program 1 times [2023-12-02 17:30:39,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:30:39,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728190318] [2023-12-02 17:30:39,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:30:39,746 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 17:30:39,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:30:39,747 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:39,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:30:41,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 17:30:41,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:30:41,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 693 proven. 9 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2023-12-02 17:30:41,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:30:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-02 17:30:42,398 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:30:42,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728190318] [2023-12-02 17:30:42,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1728190318] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:30:42,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1347778319] [2023-12-02 17:30:42,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:30:42,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:30:42,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:30:42,400 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:30:42,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 17:30:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:30:46,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 17:30:46,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:30:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 693 proven. 9 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2023-12-02 17:30:46,424 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:30:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-02 17:30:46,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1347778319] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:30:46,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475055351] [2023-12-02 17:30:46,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:30:46,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:30:46,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:30:46,925 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:30:46,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 17:30:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:30:48,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 17:30:48,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:30:48,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 693 proven. 9 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2023-12-02 17:30:48,525 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:30:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-02 17:30:49,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475055351] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:30:49,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 17:30:49,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 17:30:49,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570007708] [2023-12-02 17:30:49,009 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 17:30:49,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 17:30:49,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:30:49,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 17:30:49,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:30:49,012 INFO L87 Difference]: Start difference. First operand 225 states and 363 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-12-02 17:30:54,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:30:56,326 WARN L539 Checker$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 17:30:58,333 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 17:30:58,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:30:58,335 INFO L93 Difference]: Finished difference Result 455 states and 730 transitions. [2023-12-02 17:30:58,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:30:58,516 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 318 [2023-12-02 17:30:58,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:30:58,518 INFO L225 Difference]: With dead ends: 455 [2023-12-02 17:30:58,518 INFO L226 Difference]: Without dead ends: 231 [2023-12-02 17:30:58,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1906 GetRequests, 1894 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:30:58,519 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 273 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 96 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:30:58,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 385 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 275 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2023-12-02 17:30:58,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2023-12-02 17:30:58,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 229. [2023-12-02 17:30:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 176 states have (on average 1.5056818181818181) internal successors, (265), 176 states have internal predecessors, (265), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 17:30:58,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 365 transitions. [2023-12-02 17:30:58,540 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 365 transitions. Word has length 318 [2023-12-02 17:30:58,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:30:58,541 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 365 transitions. [2023-12-02 17:30:58,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-12-02 17:30:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 365 transitions. [2023-12-02 17:30:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-12-02 17:30:58,544 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:30:58,544 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:30:58,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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)] Ended with exit code 0 [2023-12-02 17:30:58,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-02 17:30:58,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 17:30:59,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 17:30:59,145 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:30:59,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:30:59,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1341227659, now seen corresponding path program 1 times [2023-12-02 17:30:59,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:30:59,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091328771] [2023-12-02 17:30:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:30:59,147 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 17:30:59,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:30:59,147 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:30:59,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (12)] Waiting until timeout for monitored process [2023-12-02 17:31:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:31:00,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 17:31:00,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:31:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 693 proven. 9 refuted. 0 times theorem prover too weak. 4198 trivial. 0 not checked. [2023-12-02 17:31:01,277 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:31:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-02 17:31:02,192 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:31:02,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091328771] [2023-12-02 17:31:02,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091328771] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:31:02,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [922255966] [2023-12-02 17:31:02,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:31:02,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:31:02,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:31:02,194 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:31:02,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 17:31:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:31:03,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:31:03,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:31:03,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2023-12-02 17:31:03,771 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:31:03,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [922255966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:31:03,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:31:03,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 10 [2023-12-02 17:31:03,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284908118] [2023-12-02 17:31:03,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:31:03,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:31:03,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:31:03,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:31:03,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:31:03,774 INFO L87 Difference]: Start difference. First operand 229 states and 365 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:31:07,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:31:09,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:31:11,446 WARN L539 Checker$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 17:31:13,448 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 17:31:14,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:31:14,194 INFO L93 Difference]: Finished difference Result 622 states and 984 transitions. [2023-12-02 17:31:14,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 17:31:14,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 318 [2023-12-02 17:31:14,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:31:14,204 INFO L225 Difference]: With dead ends: 622 [2023-12-02 17:31:14,204 INFO L226 Difference]: Without dead ends: 394 [2023-12-02 17:31:14,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 951 GetRequests, 942 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 17:31:14,206 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 296 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 101 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2023-12-02 17:31:14,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 568 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 49 Invalid, 4 Unknown, 0 Unchecked, 10.4s Time] [2023-12-02 17:31:14,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2023-12-02 17:31:14,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 232. [2023-12-02 17:31:14,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 179 states have (on average 1.4972067039106145) internal successors, (268), 179 states have internal predecessors, (268), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-12-02 17:31:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 368 transitions. [2023-12-02 17:31:14,226 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 368 transitions. Word has length 318 [2023-12-02 17:31:14,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:31:14,226 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 368 transitions. [2023-12-02 17:31:14,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:31:14,227 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 368 transitions. [2023-12-02 17:31:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-12-02 17:31:14,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:31:14,228 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:31:14,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 17:31:14,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (12)] Ended with exit code 0 [2023-12-02 17:31:14,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:31:14,629 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:31:14,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:31:14,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1735594445, now seen corresponding path program 1 times [2023-12-02 17:31:14,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:31:14,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964040018] [2023-12-02 17:31:14,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:31:14,631 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 17:31:14,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:31:14,632 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:31:14,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (14)] Waiting until timeout for monitored process [2023-12-02 17:31:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:31:15,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 17:31:15,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:31:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 698 proven. 12 refuted. 0 times theorem prover too weak. 4190 trivial. 0 not checked. [2023-12-02 17:31:17,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:31:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 138 proven. 9 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-02 17:31:18,481 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:31:18,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964040018] [2023-12-02 17:31:18,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964040018] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:31:18,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2105844674] [2023-12-02 17:31:18,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:31:18,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:31:18,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:31:18,482 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:31:18,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 17:31:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:31:19,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 17:31:19,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:31:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2023-12-02 17:31:19,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:31:19,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2105844674] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:31:19,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:31:19,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 13 [2023-12-02 17:31:19,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981687720] [2023-12-02 17:31:19,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:31:19,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:31:19,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:31:19,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:31:19,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-12-02 17:31:19,942 INFO L87 Difference]: Start difference. First operand 232 states and 368 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:31:23,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:31:25,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:31:27,618 WARN L539 Checker$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 17:31:29,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:31:29,674 INFO L93 Difference]: Finished difference Result 640 states and 1000 transitions. [2023-12-02 17:31:29,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 17:31:29,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 318 [2023-12-02 17:31:29,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:31:29,686 INFO L225 Difference]: With dead ends: 640 [2023-12-02 17:31:29,686 INFO L226 Difference]: Without dead ends: 409 [2023-12-02 17:31:29,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 953 GetRequests, 940 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-12-02 17:31:29,688 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 300 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 94 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-12-02 17:31:29,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 871 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 163 Invalid, 3 Unknown, 0 Unchecked, 9.6s Time] [2023-12-02 17:31:29,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2023-12-02 17:31:29,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 316. [2023-12-02 17:31:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 216 states have (on average 1.3796296296296295) internal successors, (298), 217 states have internal predecessors, (298), 96 states have call successors, (96), 3 states have call predecessors, (96), 3 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2023-12-02 17:31:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 490 transitions. [2023-12-02 17:31:29,735 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 490 transitions. Word has length 318 [2023-12-02 17:31:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:31:29,736 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 490 transitions. [2023-12-02 17:31:29,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:31:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 490 transitions. [2023-12-02 17:31:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-12-02 17:31:29,739 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:31:29,740 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:31:29,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 17:31:29,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (14)] Ended with exit code 0 [2023-12-02 17:31:30,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:31:30,140 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:31:30,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:31:30,141 INFO L85 PathProgramCache]: Analyzing trace with hash -691077506, now seen corresponding path program 1 times [2023-12-02 17:31:30,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:31:30,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491091558] [2023-12-02 17:31:30,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:31:30,142 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 17:31:30,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:31:30,142 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:31:30,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (16)] Waiting until timeout for monitored process [2023-12-02 17:31:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:31:31,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 17:31:31,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:31:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1038 proven. 21 refuted. 0 times theorem prover too weak. 3841 trivial. 0 not checked. [2023-12-02 17:31:37,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:31:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 267 proven. 24 refuted. 0 times theorem prover too weak. 4609 trivial. 0 not checked. [2023-12-02 17:31:41,093 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:31:41,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491091558] [2023-12-02 17:31:41,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491091558] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:31:41,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1500670169] [2023-12-02 17:31:41,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:31:41,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:31:41,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:31:41,095 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:31:41,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 17:31:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:31:45,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 17:31:45,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:31:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1024 proven. 24 refuted. 0 times theorem prover too weak. 3852 trivial. 0 not checked. [2023-12-02 17:31:51,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:31:54,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 264 proven. 27 refuted. 0 times theorem prover too weak. 4609 trivial. 0 not checked. [2023-12-02 17:31:54,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1500670169] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:31:54,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746829306] [2023-12-02 17:31:54,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:31:54,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:31:54,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:31:54,548 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:31:54,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 17:31:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:31:55,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 17:31:55,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:32:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1024 proven. 24 refuted. 0 times theorem prover too weak. 3852 trivial. 0 not checked. [2023-12-02 17:32:01,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:32:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 264 proven. 27 refuted. 0 times theorem prover too weak. 4609 trivial. 0 not checked. [2023-12-02 17:32:04,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746829306] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:32:04,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 17:32:04,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11, 12, 13, 14] total 28 [2023-12-02 17:32:04,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571781506] [2023-12-02 17:32:04,481 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 17:32:04,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-12-02 17:32:04,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:32:04,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-12-02 17:32:04,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2023-12-02 17:32:04,490 INFO L87 Difference]: Start difference. First operand 316 states and 490 transitions. Second operand has 28 states, 27 states have (on average 6.962962962962963) internal successors, (188), 27 states have internal predecessors, (188), 8 states have call successors, (108), 5 states have call predecessors, (108), 10 states have return successors, (111), 8 states have call predecessors, (111), 8 states have call successors, (111) [2023-12-02 17:32:17,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:32:19,160 WARN L539 Checker$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 17:32:21,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:32:23,172 WARN L539 Checker$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 17:32:25,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:32:27,182 WARN L539 Checker$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 17:32:29,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:32:31,197 WARN L539 Checker$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 17:32:33,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:32:35,206 WARN L539 Checker$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 17:32:37,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:32:39,222 WARN L539 Checker$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 17:32:41,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:32:43,231 WARN L539 Checker$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 17:32:45,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:32:47,241 WARN L539 Checker$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 17:33:03,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:05,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:08,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:10,605 WARN L539 Checker$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 17:33:12,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:14,613 WARN L539 Checker$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 17:33:16,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:18,619 WARN L539 Checker$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 17:33:20,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:22,629 WARN L539 Checker$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 17:33:24,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:26,639 WARN L539 Checker$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 17:33:28,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:30,651 WARN L539 Checker$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 17:33:32,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:34,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:36,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:38,714 WARN L539 Checker$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 17:33:40,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:42,724 WARN L539 Checker$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 17:33:44,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:46,731 WARN L539 Checker$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 17:33:48,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:50,740 WARN L539 Checker$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 17:33:52,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:54,749 WARN L539 Checker$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 17:33:56,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:33:58,759 WARN L539 Checker$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 17:34:00,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:02,768 WARN L539 Checker$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 17:34:04,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:06,780 WARN L539 Checker$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 17:34:08,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:10,786 WARN L539 Checker$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 17:34:12,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:14,795 WARN L539 Checker$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 17:34:16,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:18,806 WARN L539 Checker$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 17:34:20,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:22,813 WARN L539 Checker$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 17:34:24,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:26,819 WARN L539 Checker$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 17:34:37,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:39,082 WARN L539 Checker$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 17:34:41,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:43,093 WARN L539 Checker$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 17:34:45,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:47,097 WARN L539 Checker$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 17:34:49,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:51,101 WARN L539 Checker$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 17:34:53,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:55,108 WARN L539 Checker$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 17:34:57,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:34:59,127 WARN L539 Checker$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 17:35:01,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:03,136 WARN L539 Checker$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 17:35:03,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:35:03,344 INFO L93 Difference]: Finished difference Result 1282 states and 1956 transitions. [2023-12-02 17:35:03,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-02 17:35:03,346 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 6.962962962962963) internal successors, (188), 27 states have internal predecessors, (188), 8 states have call successors, (108), 5 states have call predecessors, (108), 10 states have return successors, (111), 8 states have call predecessors, (111), 8 states have call successors, (111) Word has length 319 [2023-12-02 17:35:03,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:35:03,353 INFO L225 Difference]: With dead ends: 1282 [2023-12-02 17:35:03,353 INFO L226 Difference]: Without dead ends: 967 [2023-12-02 17:35:03,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1955 GetRequests, 1889 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1395 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1012, Invalid=3544, Unknown=0, NotChecked=0, Total=4556 [2023-12-02 17:35:03,356 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 2333 mSDsluCounter, 2262 mSDsCounter, 0 mSdLazyCounter, 3037 mSolverCounterSat, 1746 mSolverCounterUnsat, 70 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 169.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2333 SdHoareTripleChecker+Valid, 2535 SdHoareTripleChecker+Invalid, 4853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1746 IncrementalHoareTripleChecker+Valid, 3037 IncrementalHoareTripleChecker+Invalid, 70 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 171.8s IncrementalHoareTripleChecker+Time [2023-12-02 17:35:03,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2333 Valid, 2535 Invalid, 4853 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1746 Valid, 3037 Invalid, 70 Unknown, 0 Unchecked, 171.8s Time] [2023-12-02 17:35:03,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2023-12-02 17:35:03,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 515. [2023-12-02 17:35:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 307 states have (on average 1.228013029315961) internal successors, (377), 309 states have internal predecessors, (377), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 194 states have call predecessors, (196), 196 states have call successors, (196) [2023-12-02 17:35:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 769 transitions. [2023-12-02 17:35:03,457 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 769 transitions. Word has length 319 [2023-12-02 17:35:03,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:35:03,458 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 769 transitions. [2023-12-02 17:35:03,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 6.962962962962963) internal successors, (188), 27 states have internal predecessors, (188), 8 states have call successors, (108), 5 states have call predecessors, (108), 10 states have return successors, (111), 8 states have call predecessors, (111), 8 states have call successors, (111) [2023-12-02 17:35:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 769 transitions. [2023-12-02 17:35:03,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2023-12-02 17:35:03,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:35:03,461 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:35:03,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (16)] Ended with exit code 0 [2023-12-02 17:35:03,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-12-02 17:35:03,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 17:35:04,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 17:35:04,063 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:35:04,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:35:04,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1659999504, now seen corresponding path program 1 times [2023-12-02 17:35:04,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:35:04,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016171846] [2023-12-02 17:35:04,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:35:04,064 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 17:35:04,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:35:04,065 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:35:04,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (19)] Waiting until timeout for monitored process [2023-12-02 17:35:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:35:05,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 17:35:05,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:35:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1239 proven. 126 refuted. 0 times theorem prover too weak. 3535 trivial. 0 not checked. [2023-12-02 17:35:18,472 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:35:21,746 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:35:21,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016171846] [2023-12-02 17:35:21,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016171846] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:35:21,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2008262881] [2023-12-02 17:35:21,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:35:21,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:35:21,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:35:21,747 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:35:21,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 17:35:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:35:34,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 17:35:34,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:35:38,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2193 proven. 99 refuted. 0 times theorem prover too weak. 2608 trivial. 0 not checked. [2023-12-02 17:35:38,718 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:35:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2023-12-02 17:35:40,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2008262881] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 17:35:40,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:35:40,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8, 7] total 16 [2023-12-02 17:35:40,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890739575] [2023-12-02 17:35:40,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:35:40,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 17:35:40,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:35:40,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 17:35:40,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2023-12-02 17:35:40,693 INFO L87 Difference]: Start difference. First operand 515 states and 769 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:35:47,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:49,201 WARN L539 Checker$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 [1] [2023-12-02 17:35:51,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:35:53,214 WARN L539 Checker$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 [1] [2023-12-02 17:35:55,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:35:57,228 WARN L539 Checker$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 17:35:59,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 17:36:01,246 WARN L539 Checker$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 17:36:01,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:36:01,846 INFO L93 Difference]: Finished difference Result 1385 states and 2057 transitions. [2023-12-02 17:36:01,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 17:36:01,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 319 [2023-12-02 17:36:01,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:36:01,856 INFO L225 Difference]: With dead ends: 1385 [2023-12-02 17:36:01,856 INFO L226 Difference]: Without dead ends: 966 [2023-12-02 17:36:01,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 995 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2023-12-02 17:36:01,858 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 245 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-12-02 17:36:01,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 509 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 8 Unknown, 0 Unchecked, 20.7s Time] [2023-12-02 17:36:01,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2023-12-02 17:36:01,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 566. [2023-12-02 17:36:01,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 358 states have (on average 1.2458100558659218) internal successors, (446), 360 states have internal predecessors, (446), 196 states have call successors, (196), 11 states have call predecessors, (196), 11 states have return successors, (196), 194 states have call predecessors, (196), 196 states have call successors, (196) [2023-12-02 17:36:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 838 transitions. [2023-12-02 17:36:01,952 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 838 transitions. Word has length 319 [2023-12-02 17:36:01,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:36:01,952 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 838 transitions. [2023-12-02 17:36:01,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:36:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 838 transitions. [2023-12-02 17:36:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-12-02 17:36:01,958 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:36:01,958 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:36:01,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 17:36:02,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (19)] Forceful destruction successful, exit code 0 [2023-12-02 17:36:02,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:36:02,359 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:36:02,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:36:02,359 INFO L85 PathProgramCache]: Analyzing trace with hash 821565517, now seen corresponding path program 1 times [2023-12-02 17:36:02,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:36:02,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885692754] [2023-12-02 17:36:02,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:36:02,360 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 17:36:02,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:36:02,361 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:36:02,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (21)] Waiting until timeout for monitored process [2023-12-02 17:36:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:36:03,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 17:36:03,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:36:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 2355 proven. 222 refuted. 0 times theorem prover too weak. 2323 trivial. 0 not checked. [2023-12-02 17:36:15,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:36:17,236 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:36:17,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885692754] [2023-12-02 17:36:17,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885692754] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:36:17,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [445665510] [2023-12-02 17:36:17,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:36:17,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:36:17,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:36:17,238 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:36:17,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 17:36:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:36:21,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 17:36:21,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:36:31,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 3419 proven. 255 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2023-12-02 17:36:31,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:36:34,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [445665510] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:36:34,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608925918] [2023-12-02 17:36:34,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:36:34,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:36:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:36:34,387 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:36:34,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-12-02 17:36:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:36:35,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 17:36:35,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:36:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 3419 proven. 255 refuted. 0 times theorem prover too weak. 1226 trivial. 0 not checked. [2023-12-02 17:36:43,474 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:36:45,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608925918] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:36:45,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 17:36:45,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 20 [2023-12-02 17:36:45,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117655871] [2023-12-02 17:36:45,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 17:36:45,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-12-02 17:36:45,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:36:45,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-12-02 17:36:45,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2023-12-02 17:36:45,150 INFO L87 Difference]: Start difference. First operand 566 states and 838 transitions. Second operand has 20 states, 20 states have (on average 7.3) internal successors, (146), 20 states have internal predecessors, (146), 7 states have call successors, (100), 7 states have call predecessors, (100), 12 states have return successors, (100), 7 states have call predecessors, (100), 7 states have call successors, (100) [2023-12-02 17:37:00,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:37:02,281 WARN L539 Checker$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 [0] [2023-12-02 17:37:04,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:37:06,291 WARN L539 Checker$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 [0] [2023-12-02 17:37:08,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:37:10,302 WARN L539 Checker$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 [0] [2023-12-02 17:37:12,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:37:14,314 WARN L539 Checker$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 [0] [2023-12-02 17:37:16,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:37:18,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:37:20,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 17:37:22,357 WARN L539 Checker$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 [0] [2023-12-02 17:37:24,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:26,371 WARN L539 Checker$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 17:37:28,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:30,385 WARN L539 Checker$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 17:37:32,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:34,391 WARN L539 Checker$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 17:37:36,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:38,412 WARN L539 Checker$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 [0] [2023-12-02 17:37:40,425 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:42,427 WARN L539 Checker$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 17:37:44,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:46,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:48,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:57,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:37:59,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:38:01,522 WARN L539 Checker$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 17:38:03,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:38:05,527 WARN L539 Checker$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 17:38:07,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:38:09,535 WARN L539 Checker$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 17:38:11,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:38:13,547 WARN L539 Checker$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 17:38:15,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:38:17,551 WARN L539 Checker$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 [0] [2023-12-02 17:38:19,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:38:21,566 WARN L539 Checker$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 17:38:23,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:38:25,581 WARN L539 Checker$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 17:38:27,585 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 17:38:27,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:38:27,602 INFO L93 Difference]: Finished difference Result 1249 states and 1779 transitions. [2023-12-02 17:38:27,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-12-02 17:38:27,811 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.3) internal successors, (146), 20 states have internal predecessors, (146), 7 states have call successors, (100), 7 states have call predecessors, (100), 12 states have return successors, (100), 7 states have call predecessors, (100), 7 states have call successors, (100) Word has length 320 [2023-12-02 17:38:27,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:38:27,817 INFO L225 Difference]: With dead ends: 1249 [2023-12-02 17:38:27,817 INFO L226 Difference]: Without dead ends: 779 [2023-12-02 17:38:27,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1247 GetRequests, 1201 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=493, Invalid=1763, Unknown=0, NotChecked=0, Total=2256 [2023-12-02 17:38:27,820 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 779 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 179 mSolverCounterUnsat, 41 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 97.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 41 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:38:27,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 968 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 1033 Invalid, 41 Unknown, 0 Unchecked, 98.0s Time] [2023-12-02 17:38:27,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2023-12-02 17:38:27,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 674. [2023-12-02 17:38:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 442 states have (on average 1.1968325791855203) internal successors, (529), 445 states have internal predecessors, (529), 206 states have call successors, (206), 25 states have call predecessors, (206), 25 states have return successors, (206), 203 states have call predecessors, (206), 206 states have call successors, (206) [2023-12-02 17:38:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 941 transitions. [2023-12-02 17:38:27,996 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 941 transitions. Word has length 320 [2023-12-02 17:38:27,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:38:27,997 INFO L495 AbstractCegarLoop]: Abstraction has 674 states and 941 transitions. [2023-12-02 17:38:27,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.3) internal successors, (146), 20 states have internal predecessors, (146), 7 states have call successors, (100), 7 states have call predecessors, (100), 12 states have return successors, (100), 7 states have call predecessors, (100), 7 states have call successors, (100) [2023-12-02 17:38:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 941 transitions. [2023-12-02 17:38:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-12-02 17:38:28,000 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:38:28,000 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:38:28,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-02 17:38:28,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-12-02 17:38:28,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (21)] Ended with exit code 0 [2023-12-02 17:38:28,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:38:28,618 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:38:28,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:38:28,619 INFO L85 PathProgramCache]: Analyzing trace with hash 773023472, now seen corresponding path program 1 times [2023-12-02 17:38:28,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:38:28,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418654333] [2023-12-02 17:38:28,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:38:28,620 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 17:38:28,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:38:28,620 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:38:28,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (24)] Waiting until timeout for monitored process [2023-12-02 17:38:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:38:30,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 17:38:30,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:38:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1239 proven. 126 refuted. 0 times theorem prover too weak. 3535 trivial. 0 not checked. [2023-12-02 17:38:43,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:38:47,676 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:38:47,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418654333] [2023-12-02 17:38:47,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418654333] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:38:47,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1143615439] [2023-12-02 17:38:47,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:38:47,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 17:38:47,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 17:38:47,678 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 17:38:47,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 17:39:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:39:10,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 17:39:10,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:39:24,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 1239 proven. 126 refuted. 0 times theorem prover too weak. 3535 trivial. 0 not checked. [2023-12-02 17:39:24,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:39:26,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1143615439] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 17:39:26,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293068439] [2023-12-02 17:39:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:39:26,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:39:26,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:39:26,026 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:39:26,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-12-02 17:41:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:41:27,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 17:41:27,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:41:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2023-12-02 17:41:37,111 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:41:37,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293068439] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:41:37,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:41:37,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 8] total 8 [2023-12-02 17:41:37,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496058721] [2023-12-02 17:41:37,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:41:37,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 17:41:37,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:41:37,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 17:41:37,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:41:37,113 INFO L87 Difference]: Start difference. First operand 674 states and 941 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:41:43,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:41:45,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:41:47,366 WARN L539 Checker$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 17:41:49,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:41:51,385 WARN L539 Checker$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 17:41:53,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:41:55,393 WARN L539 Checker$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 17:41:59,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:01,271 WARN L539 Checker$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 17:42:03,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:42:05,283 WARN L539 Checker$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 17:42:07,285 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 17:42:07,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:42:07,310 INFO L93 Difference]: Finished difference Result 1304 states and 1814 transitions. [2023-12-02 17:42:07,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 17:42:07,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 320 [2023-12-02 17:42:07,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:42:07,501 INFO L225 Difference]: With dead ends: 1304 [2023-12-02 17:42:07,501 INFO L226 Difference]: Without dead ends: 771 [2023-12-02 17:42:07,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1043 GetRequests, 1029 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2023-12-02 17:42:07,504 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 238 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 101 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:42:07,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 911 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 83 Invalid, 12 Unknown, 0 Unchecked, 29.5s Time] [2023-12-02 17:42:07,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2023-12-02 17:42:07,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 674. [2023-12-02 17:42:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 442 states have (on average 1.1923076923076923) internal successors, (527), 445 states have internal predecessors, (527), 206 states have call successors, (206), 25 states have call predecessors, (206), 25 states have return successors, (206), 203 states have call predecessors, (206), 206 states have call successors, (206) [2023-12-02 17:42:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 939 transitions. [2023-12-02 17:42:07,654 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 939 transitions. Word has length 320 [2023-12-02 17:42:07,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:42:07,654 INFO L495 AbstractCegarLoop]: Abstraction has 674 states and 939 transitions. [2023-12-02 17:42:07,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2023-12-02 17:42:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 939 transitions. [2023-12-02 17:42:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2023-12-02 17:42:07,657 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:42:07,658 INFO L195 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:42:07,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-12-02 17:42:07,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 17:42:08,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (24)] Ended with exit code 0 [2023-12-02 17:42:08,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:42:08,259 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:42:08,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:42:08,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1072343694, now seen corresponding path program 1 times [2023-12-02 17:42:08,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:42:08,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859347034] [2023-12-02 17:42:08,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:42:08,260 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 17:42:08,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:42:08,261 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 17:42:08,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8f089d-2448-4d98-bcef-2548e2e2cbc6/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 (27)] Waiting until timeout for monitored process [2023-12-02 17:42:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:42:10,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 17:42:10,504 INFO L285 TraceCheckSpWp]: Computing forward predicates...