./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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_5619d523-eb7c-4ca4-ab95-779cc3764865/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 c694ba9bac462864ff088c15ec9988788035d468e2784ebcad5311140515cd1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:41:57,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:41:57,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:41:57,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:41:57,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:41:57,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:41:57,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:41:57,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:41:57,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:41:57,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:41:57,595 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:41:57,595 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:41:57,596 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:41:57,596 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:41:57,597 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:41:57,597 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:41:57,598 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:41:57,598 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:41:57,599 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:41:57,599 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:41:57,600 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:41:57,600 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:41:57,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:41:57,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:41:57,602 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:41:57,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:41:57,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:41:57,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:41:57,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:41:57,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:41:57,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:41:57,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:41:57,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:41:57,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:41:57,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:41:57,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:41:57,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:41:57,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:41:57,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:41:57,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:41:57,606 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:41:57,607 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:41:57,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:41:57,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:41:57,607 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:41:57,608 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:41:57,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:41:57,608 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_5619d523-eb7c-4ca4-ab95-779cc3764865/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c694ba9bac462864ff088c15ec9988788035d468e2784ebcad5311140515cd1e [2023-12-02 15:41:57,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:41:57,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:41:57,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:41:57,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:41:57,874 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:41:57,875 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i [2023-12-02 15:42:00,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:42:00,888 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:42:00,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i [2023-12-02 15:42:00,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/data/f10666bb8/cb1d3d3859524ba6b3f9f8ae832a94ca/FLAG532ac39cf [2023-12-02 15:42:00,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/data/f10666bb8/cb1d3d3859524ba6b3f9f8ae832a94ca [2023-12-02 15:42:00,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:42:00,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:42:00,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:42:00,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:42:00,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:42:00,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:42:00" (1/1) ... [2023-12-02 15:42:00,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441de8ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:00, skipping insertion in model container [2023-12-02 15:42:00,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:42:00" (1/1) ... [2023-12-02 15:42:00,973 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:42:01,118 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_5619d523-eb7c-4ca4-ab95-779cc3764865/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i[916,929] [2023-12-02 15:42:01,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:42:01,203 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:42:01,216 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_5619d523-eb7c-4ca4-ab95-779cc3764865/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i[916,929] [2023-12-02 15:42:01,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:42:01,274 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:42:01,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01 WrapperNode [2023-12-02 15:42:01,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:42:01,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:42:01,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:42:01,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:42:01,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,327 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2023-12-02 15:42:01,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:42:01,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:42:01,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:42:01,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:42:01,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:42:01,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:42:01,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:42:01,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:42:01,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (1/1) ... [2023-12-02 15:42:01,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:42:01,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:42:01,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:42:01,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:42:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:42:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:42:01,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:42:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:42:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:42:01,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:42:01,514 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:42:01,516 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:42:01,909 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:42:02,208 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:42:02,208 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:42:02,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:42:02 BoogieIcfgContainer [2023-12-02 15:42:02,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:42:02,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:42:02,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:42:02,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:42:02,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:42:00" (1/3) ... [2023-12-02 15:42:02,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0e106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:42:02, skipping insertion in model container [2023-12-02 15:42:02,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:01" (2/3) ... [2023-12-02 15:42:02,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0e106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:42:02, skipping insertion in model container [2023-12-02 15:42:02,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:42:02" (3/3) ... [2023-12-02 15:42:02,219 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-32.i [2023-12-02 15:42:02,239 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:42:02,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:42:02,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:42:02,297 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;@5a121eca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:42:02,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:42:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 15:42:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 15:42:02,316 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:42:02,317 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:42:02,318 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:42:02,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:42:02,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1868180803, now seen corresponding path program 1 times [2023-12-02 15:42:02,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:42:02,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793941090] [2023-12-02 15:42:02,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:02,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:42:02,509 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:42:02,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2023377678] [2023-12-02 15:42:02,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:02,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:42:02,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:42:02,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:42:02,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:42:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:42:03,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:42:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:42:03,807 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:42:03,809 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:42:03,810 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:42:03,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:42:04,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 15:42:04,017 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:42:04,022 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:42:04,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:42:04 BoogieIcfgContainer [2023-12-02 15:42:04,140 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:42:04,140 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:42:04,141 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:42:04,141 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:42:04,141 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:42:02" (3/4) ... [2023-12-02 15:42:04,143 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:42:04,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:42:04,145 INFO L158 Benchmark]: Toolchain (without parser) took 3225.73ms. Allocated memory is still 151.0MB. Free memory was 121.2MB in the beginning and 84.6MB in the end (delta: 36.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-12-02 15:42:04,145 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:42:04,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.46ms. Allocated memory is still 151.0MB. Free memory was 120.6MB in the beginning and 105.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:42:04,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.69ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 100.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:42:04,147 INFO L158 Benchmark]: Boogie Preprocessor took 36.41ms. Allocated memory is still 151.0MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:42:04,148 INFO L158 Benchmark]: RCFGBuilder took 844.67ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 85.2MB in the end (delta: 13.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2023-12-02 15:42:04,149 INFO L158 Benchmark]: TraceAbstraction took 1927.44ms. Allocated memory is still 151.0MB. Free memory was 84.3MB in the beginning and 84.6MB in the end (delta: -249.9kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-12-02 15:42:04,149 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 151.0MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:42:04,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 62.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.46ms. Allocated memory is still 151.0MB. Free memory was 120.6MB in the beginning and 105.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.69ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 100.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.41ms. Allocated memory is still 151.0MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 844.67ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 85.2MB in the end (delta: 13.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1927.44ms. Allocated memory is still 151.0MB. Free memory was 84.3MB in the beginning and 84.6MB in the end (delta: -249.9kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 151.0MB. Free memory is still 84.6MB. 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 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 208, overapproximation of someUnaryFLOAToperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 4; [L28] signed char var_1_9 = 4; [L29] signed char var_1_10 = 2; [L30] signed char var_1_11 = 4; [L31] signed char var_1_12 = -25; [L32] signed char var_1_13 = 8; [L33] signed char var_1_14 = 50; [L34] signed char var_1_15 = 32; [L35] signed char var_1_16 = 64; [L36] double var_1_17 = 4.775; [L37] unsigned long int var_1_18 = 0; [L38] unsigned long int var_1_19 = 3621235500; [L39] signed char var_1_20 = 50; [L40] unsigned long int var_1_21 = 0; [L41] unsigned long int var_1_22 = 2941649671; [L42] float var_1_23 = 9.5; [L43] float var_1_24 = 255.4; [L44] unsigned short int var_1_25 = 128; [L45] unsigned short int var_1_26 = 44368; [L46] unsigned short int var_1_27 = 128; [L47] unsigned short int var_1_28 = 28714; [L48] unsigned long int var_1_29 = 128; [L49] signed long int var_1_30 = -128; [L50] signed long int var_1_31 = 1177635702; [L51] signed long int var_1_32 = 1100114658; [L52] unsigned char last_1_var_1_1 = 0; [L53] signed char last_1_var_1_9 = 4; [L54] unsigned long int last_1_var_1_18 = 0; [L55] unsigned short int last_1_var_1_25 = 128; [L212] isInitial = 1 [L213] FCALL initially() [L214] COND TRUE 1 [L215] CALL updateLastVariables() [L202] last_1_var_1_1 = var_1_1 [L203] last_1_var_1_9 = var_1_9 [L204] last_1_var_1_18 = var_1_18 [L205] last_1_var_1_25 = var_1_25 [L215] RET updateLastVariables() [L216] CALL updateVariables() [L147] var_1_2 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L149] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L150] var_1_3 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L153] var_1_4 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_5=0, var_1_6=4, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L156] var_1_5 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L159] var_1_10 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L162] var_1_11 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L164] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L165] var_1_12 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L167] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L168] var_1_13 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L170] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L171] var_1_14 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L173] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L174] var_1_15 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L176] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L177] var_1_16 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_16 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_16 >= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L179] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L180] var_1_19 = __VERIFIER_nondet_ulong() [L181] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L182] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L183] var_1_22 = __VERIFIER_nondet_ulong() [L184] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L185] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L186] var_1_24 = __VERIFIER_nondet_float() [L187] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L188] var_1_26 = __VERIFIER_nondet_ushort() [L189] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L190] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L191] var_1_28 = __VERIFIER_nondet_ushort() [L192] CALL assume_abort_if_not(var_1_28 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_28 >= 16383) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L193] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L194] var_1_31 = __VERIFIER_nondet_long() [L195] CALL assume_abort_if_not(var_1_31 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_31 >= 1073741823) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L196] CALL assume_abort_if_not(var_1_31 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_31 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L197] var_1_32 = __VERIFIER_nondet_long() [L198] CALL assume_abort_if_not(var_1_32 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_32 >= 1073741823) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L199] CALL assume_abort_if_not(var_1_32 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_32 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=191/40, var_1_18=0, var_1_19=2147483647, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483651, var_1_23=19/2, var_1_25=128, var_1_26=38697, var_1_27=128, var_1_28=16383, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L216] RET updateVariables() [L217] CALL step() [L59] COND FALSE !(\read(last_1_var_1_1)) [L70] COND FALSE !(\read(var_1_3)) [L73] COND FALSE !(last_1_var_1_25 >= (16u * var_1_11)) [L76] var_1_25 = var_1_18 [L79] COND TRUE \read(var_1_2) [L80] var_1_1 = ((! (var_1_3 || var_1_4)) && var_1_5) [L84] COND TRUE (((((var_1_14 / var_1_16)) > (var_1_10)) ? ((var_1_14 / var_1_16)) : (var_1_10))) > var_1_11 [L85] var_1_17 = (8.25 - 255.8) [L87] signed char stepLocal_2 = var_1_14; [L88] signed char stepLocal_1 = var_1_15; [L89] COND TRUE stepLocal_2 <= var_1_16 [L90] var_1_20 = var_1_16 [L98] signed char stepLocal_5 = var_1_12; [L99] signed char stepLocal_4 = var_1_14; [L100] signed long int stepLocal_3 = var_1_25 * var_1_13; [L101] COND TRUE stepLocal_5 <= var_1_10 [L102] COND TRUE stepLocal_3 == var_1_15 [L103] var_1_23 = ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))) [L112] var_1_27 = ((var_1_28 - var_1_13) + var_1_16) [L113] COND TRUE \read(var_1_1) [L114] var_1_29 = var_1_19 [L116] COND TRUE ((((var_1_19) > (var_1_27)) ? (var_1_19) : (var_1_27))) <= (var_1_22 - 4u) [L117] var_1_21 = var_1_13 [L121] COND FALSE !(var_1_26 > ((((38760 - var_1_21) < 0 ) ? -(38760 - var_1_21) : (38760 - var_1_21)))) [L124] COND FALSE !(var_1_10 == (var_1_14 - var_1_16)) [L127] var_1_30 = var_1_27 [L130] unsigned char stepLocal_0 = var_1_5; [L131] COND FALSE !((var_1_30 >= var_1_29) && stepLocal_0) [L134] COND FALSE !(! (! (var_1_29 < var_1_30))) [L138] COND TRUE var_1_27 > last_1_var_1_9 [L139] COND FALSE !(var_1_6 > (var_1_27 * last_1_var_1_9)) [L142] var_1_9 = ((((var_1_15) > ((var_1_13 - (var_1_16 - var_1_11)))) ? (var_1_15) : ((var_1_13 - (var_1_16 - var_1_11))))) [L217] RET step() [L218] CALL, EXPR property() [L208-L209] return (((((((((((var_1_2 ? (var_1_1 == ((unsigned char) ((! (var_1_3 || var_1_4)) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_4))) && (((var_1_30 >= var_1_29) && var_1_5) ? (var_1_6 == ((unsigned short int) var_1_29)) : ((! (! (var_1_29 < var_1_30))) ? (var_1_6 == ((unsigned short int) (var_1_29 + var_1_30))) : 1))) && ((var_1_27 > last_1_var_1_9) ? ((var_1_6 > (var_1_27 * last_1_var_1_9)) ? (var_1_9 == ((signed char) ((var_1_10 - var_1_11) + ((((var_1_12) > ((var_1_13 - var_1_14))) ? (var_1_12) : ((var_1_13 - var_1_14))))))) : (var_1_9 == ((signed char) ((((var_1_15) > ((var_1_13 - (var_1_16 - var_1_11)))) ? (var_1_15) : ((var_1_13 - (var_1_16 - var_1_11)))))))) : 1)) && (((((((var_1_14 / var_1_16)) > (var_1_10)) ? ((var_1_14 / var_1_16)) : (var_1_10))) > var_1_11) ? (var_1_17 == ((double) (8.25 - 255.8))) : 1)) && (last_1_var_1_1 ? (last_1_var_1_1 ? (var_1_18 == ((unsigned long int) last_1_var_1_18)) : ((((var_1_12 + last_1_var_1_18) * last_1_var_1_18) >= last_1_var_1_25) ? (var_1_18 == ((unsigned long int) (var_1_19 - var_1_16))) : (var_1_18 == ((unsigned long int) var_1_13)))) : 1)) && ((var_1_14 <= var_1_16) ? (var_1_20 == ((signed char) var_1_16)) : ((var_1_15 <= var_1_12) ? (var_1_20 == ((signed char) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : (var_1_20 == ((signed char) var_1_11))))) && ((((((var_1_19) > (var_1_27)) ? (var_1_19) : (var_1_27))) <= (var_1_22 - 4u)) ? (var_1_21 == ((unsigned long int) var_1_13)) : (var_1_21 == ((unsigned long int) var_1_14)))) && ((var_1_12 <= var_1_10) ? (((var_1_25 * var_1_13) == var_1_15) ? (var_1_23 == ((float) ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))))) : ((0 >= var_1_14) ? (var_1_23 == ((float) var_1_24)) : (var_1_23 == ((float) var_1_24)))) : 1)) && (var_1_3 ? (var_1_25 == ((unsigned short int) ((((var_1_18) < ((var_1_26 - var_1_13))) ? (var_1_18) : ((var_1_26 - var_1_13)))))) : ((last_1_var_1_25 >= (16u * var_1_11)) ? (var_1_25 == ((unsigned short int) var_1_26)) : (var_1_25 == ((unsigned short int) var_1_18))))) && (var_1_27 == ((unsigned short int) ((var_1_28 - var_1_13) + var_1_16)))) && (var_1_1 ? (var_1_29 == ((unsigned long int) var_1_19)) : 1)) && ((var_1_26 > ((((38760 - var_1_21) < 0 ) ? -(38760 - var_1_21) : (38760 - var_1_21)))) ? (var_1_30 == ((signed long int) (((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) - (((((var_1_31 - var_1_18)) > ((var_1_32 - var_1_27))) ? ((var_1_31 - var_1_18)) : ((var_1_32 - var_1_27))))))) : ((var_1_10 == (var_1_14 - var_1_16)) ? (var_1_30 == ((signed long int) -1)) : (var_1_30 == ((signed long int) var_1_27)))) ; [L218] RET, EXPR property() [L218] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=0, var_1_18=0, var_1_19=2147483647, var_1_1=1, var_1_20=72, var_1_21=63, var_1_22=2147483651, var_1_23=2, var_1_24=0, var_1_25=0, var_1_26=38697, var_1_27=16392, var_1_28=16383, var_1_29=2147483647, var_1_2=1, var_1_30=16392, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=10, var_1_11=9, var_1_12=10, var_1_13=63, var_1_14=62, var_1_15=0, var_1_16=72, var_1_17=0, var_1_18=0, var_1_19=2147483647, var_1_1=1, var_1_20=72, var_1_21=63, var_1_22=2147483651, var_1_23=2, var_1_24=0, var_1_25=0, var_1_26=38697, var_1_27=16392, var_1_28=16383, var_1_29=2147483647, var_1_2=1, var_1_30=16392, var_1_31=1073741823, var_1_32=1073758215, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 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 15:42:04,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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_5619d523-eb7c-4ca4-ab95-779cc3764865/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 c694ba9bac462864ff088c15ec9988788035d468e2784ebcad5311140515cd1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:42:06,129 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:42:06,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:42:06,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:42:06,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:42:06,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:42:06,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:42:06,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:42:06,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:42:06,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:42:06,239 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:42:06,240 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:42:06,241 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:42:06,241 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:42:06,242 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:42:06,242 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:42:06,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:42:06,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:42:06,244 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:42:06,244 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:42:06,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:42:06,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:42:06,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:42:06,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:42:06,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:42:06,247 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:42:06,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:42:06,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:42:06,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:42:06,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:42:06,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:42:06,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:42:06,250 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:42:06,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:42:06,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:42:06,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:42:06,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:42:06,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:42:06,251 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:42:06,251 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:42:06,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:42:06,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:42:06,252 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:42:06,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:42:06,252 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_5619d523-eb7c-4ca4-ab95-779cc3764865/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c694ba9bac462864ff088c15ec9988788035d468e2784ebcad5311140515cd1e [2023-12-02 15:42:06,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:42:06,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:42:06,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:42:06,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:42:06,576 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:42:06,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i [2023-12-02 15:42:09,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:42:09,530 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:42:09,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i [2023-12-02 15:42:09,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/data/63a77deee/9a82720912ad490186b053d44d6e07d9/FLAGbdce957bb [2023-12-02 15:42:09,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/data/63a77deee/9a82720912ad490186b053d44d6e07d9 [2023-12-02 15:42:09,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:42:09,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:42:09,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:42:09,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:42:09,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:42:09,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:09,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461f2202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09, skipping insertion in model container [2023-12-02 15:42:09,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:09,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:42:09,774 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_5619d523-eb7c-4ca4-ab95-779cc3764865/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i[916,929] [2023-12-02 15:42:09,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:42:09,867 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:42:09,880 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_5619d523-eb7c-4ca4-ab95-779cc3764865/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-32.i[916,929] [2023-12-02 15:42:09,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:42:09,966 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:42:09,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09 WrapperNode [2023-12-02 15:42:09,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:42:09,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:42:09,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:42:09,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:42:09,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:09,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,024 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 213 [2023-12-02 15:42:10,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:42:10,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:42:10,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:42:10,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:42:10,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:42:10,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:42:10,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:42:10,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:42:10,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (1/1) ... [2023-12-02 15:42:10,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:42:10,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:42:10,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:42:10,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:42:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:42:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:42:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:42:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:42:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:42:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:42:10,230 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:42:10,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:42:11,241 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:42:11,300 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:42:11,300 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:42:11,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:42:11 BoogieIcfgContainer [2023-12-02 15:42:11,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:42:11,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:42:11,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:42:11,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:42:11,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:42:09" (1/3) ... [2023-12-02 15:42:11,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4355c116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:42:11, skipping insertion in model container [2023-12-02 15:42:11,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:42:09" (2/3) ... [2023-12-02 15:42:11,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4355c116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:42:11, skipping insertion in model container [2023-12-02 15:42:11,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:42:11" (3/3) ... [2023-12-02 15:42:11,312 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-32.i [2023-12-02 15:42:11,332 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:42:11,332 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:42:11,381 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:42:11,386 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;@9080428, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:42:11,387 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:42:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 15:42:11,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 15:42:11,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:42:11,407 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:42:11,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:42:11,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:42:11,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1243266803, now seen corresponding path program 1 times [2023-12-02 15:42:11,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:42:11,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488199103] [2023-12-02 15:42:11,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:11,429 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 15:42:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:42:11,433 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:11,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:11,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:42:11,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:11,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1124 proven. 0 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2023-12-02 15:42:11,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:42:11,880 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:42:11,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488199103] [2023-12-02 15:42:11,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [488199103] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:42:11,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:42:11,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:42:11,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396316571] [2023-12-02 15:42:11,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:42:11,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:42:11,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:42:11,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:42:11,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:42:11,921 INFO L87 Difference]: Start difference. First operand has 90 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 15:42:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:42:12,138 INFO L93 Difference]: Finished difference Result 177 states and 327 transitions. [2023-12-02 15:42:12,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:42:12,155 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 213 [2023-12-02 15:42:12,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:42:12,163 INFO L225 Difference]: With dead ends: 177 [2023-12-02 15:42:12,164 INFO L226 Difference]: Without dead ends: 88 [2023-12-02 15:42:12,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 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 15:42:12,172 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:42:12,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:42:12,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-02 15:42:12,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-02 15:42:12,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 15:42:12,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 142 transitions. [2023-12-02 15:42:12,222 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 142 transitions. Word has length 213 [2023-12-02 15:42:12,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:42:12,222 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 142 transitions. [2023-12-02 15:42:12,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-12-02 15:42:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2023-12-02 15:42:12,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-12-02 15:42:12,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:42:12,229 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:42:12,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:12,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:12,430 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:42:12,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:42:12,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1775572465, now seen corresponding path program 1 times [2023-12-02 15:42:12,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:42:12,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955182980] [2023-12-02 15:42:12,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:12,432 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 15:42:12,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:42:12,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:12,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:12,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:42:12,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-12-02 15:42:13,465 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:42:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 15:42:13,881 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:42:13,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955182980] [2023-12-02 15:42:13,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955182980] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:42:13,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1993674374] [2023-12-02 15:42:13,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:13,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:42:13,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:42:13,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:42:13,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 15:42:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:14,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:42:14,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-12-02 15:42:15,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:42:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 15:42:15,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1993674374] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:42:15,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663159374] [2023-12-02 15:42:15,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:15,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:42:15,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:42:15,631 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:42:15,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 15:42:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:15,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:42:15,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-12-02 15:42:16,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:42:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 15:42:16,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663159374] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:42:16,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 15:42:16,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-12-02 15:42:16,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667996864] [2023-12-02 15:42:16,707 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 15:42:16,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:42:16,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:42:16,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:42:16,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:42:16,712 INFO L87 Difference]: Start difference. First operand 88 states and 142 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-12-02 15:42:17,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:42:17,449 INFO L93 Difference]: Finished difference Result 183 states and 290 transitions. [2023-12-02 15:42:17,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 15:42:17,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 213 [2023-12-02 15:42:17,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:42:17,469 INFO L225 Difference]: With dead ends: 183 [2023-12-02 15:42:17,470 INFO L226 Difference]: Without dead ends: 96 [2023-12-02 15:42:17,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1276 GetRequests, 1264 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-02 15:42:17,473 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 107 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-02 15:42:17,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 225 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-02 15:42:17,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-02 15:42:17,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 92. [2023-12-02 15:42:17,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 15:42:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 144 transitions. [2023-12-02 15:42:17,495 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 144 transitions. Word has length 213 [2023-12-02 15:42:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:42:17,497 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 144 transitions. [2023-12-02 15:42:17,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-12-02 15:42:17,497 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 144 transitions. [2023-12-02 15:42:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 15:42:17,502 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:42:17,502 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:42:17,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 15:42:17,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 15:42:17,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:18,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:18,104 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:42:18,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:42:18,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1361030547, now seen corresponding path program 1 times [2023-12-02 15:42:18,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:42:18,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216437791] [2023-12-02 15:42:18,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:18,105 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 15:42:18,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:42:18,107 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:18,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 15:42:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:18,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 15:42:18,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 597 proven. 255 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked. [2023-12-02 15:42:20,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:42:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 264 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked. [2023-12-02 15:42:21,429 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:42:21,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216437791] [2023-12-02 15:42:21,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216437791] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:42:21,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [75860453] [2023-12-02 15:42:21,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:21,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:42:21,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:42:21,446 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:42:21,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 15:42:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:22,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 15:42:22,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:23,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2023-12-02 15:42:23,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:42:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 15 proven. 87 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 15:42:23,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [75860453] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:42:23,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727789785] [2023-12-02 15:42:23,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:23,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:42:23,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:42:23,542 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:42:23,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 15:42:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:23,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 15:42:23,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 688 proven. 243 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-12-02 15:42:25,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:42:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 168 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2023-12-02 15:42:26,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727789785] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:42:26,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 15:42:26,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 9, 9, 13, 13] total 39 [2023-12-02 15:42:26,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015647216] [2023-12-02 15:42:26,378 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 15:42:26,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-12-02 15:42:26,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:42:26,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-12-02 15:42:26,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1160, Unknown=0, NotChecked=0, Total=1482 [2023-12-02 15:42:26,386 INFO L87 Difference]: Start difference. First operand 92 states and 144 transitions. Second operand has 39 states, 38 states have (on average 4.657894736842105) internal successors, (177), 37 states have internal predecessors, (177), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) [2023-12-02 15:42:31,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:42:31,062 INFO L93 Difference]: Finished difference Result 437 states and 632 transitions. [2023-12-02 15:42:31,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-12-02 15:42:31,063 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 4.657894736842105) internal successors, (177), 37 states have internal predecessors, (177), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) Word has length 214 [2023-12-02 15:42:31,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:42:31,069 INFO L225 Difference]: With dead ends: 437 [2023-12-02 15:42:31,070 INFO L226 Difference]: Without dead ends: 346 [2023-12-02 15:42:31,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1351 GetRequests, 1244 SyntacticMatches, 4 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3567 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=2315, Invalid=8605, Unknown=0, NotChecked=0, Total=10920 [2023-12-02 15:42:31,077 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 926 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 524 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 956 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 524 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:42:31,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [956 Valid, 911 Invalid, 1722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [524 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 15:42:31,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-12-02 15:42:31,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 121. [2023-12-02 15:42:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 77 states have (on average 1.3376623376623376) internal successors, (103), 78 states have internal predecessors, (103), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 15:42:31,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2023-12-02 15:42:31,117 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 214 [2023-12-02 15:42:31,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:42:31,118 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2023-12-02 15:42:31,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 4.657894736842105) internal successors, (177), 37 states have internal predecessors, (177), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) [2023-12-02 15:42:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2023-12-02 15:42:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-12-02 15:42:31,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:42:31,123 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:42:31,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-02 15:42:31,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 15:42:31,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 15:42:31,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:42:31,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:42:31,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:42:31,725 INFO L85 PathProgramCache]: Analyzing trace with hash 680972177, now seen corresponding path program 1 times [2023-12-02 15:42:31,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:42:31,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25955862] [2023-12-02 15:42:31,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:31,726 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 15:42:31,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:42:31,726 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:31,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:42:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:32,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 15:42:32,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1396 proven. 60 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-02 15:42:33,566 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:42:33,727 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:42:33,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25955862] [2023-12-02 15:42:33,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25955862] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:42:33,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1399389966] [2023-12-02 15:42:33,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:33,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:42:33,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:42:33,730 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:42:33,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 15:42:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:34,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 15:42:34,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1534 proven. 168 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2023-12-02 15:42:39,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:42:39,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1399389966] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:42:39,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029928962] [2023-12-02 15:42:39,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:42:39,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:42:39,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:42:39,912 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:42:39,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-02 15:42:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:42:40,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 15:42:40,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:42:41,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1396 proven. 60 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-12-02 15:42:41,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:42:41,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029928962] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:42:41,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 15:42:41,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21, 12] total 40 [2023-12-02 15:42:41,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556964381] [2023-12-02 15:42:41,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 15:42:41,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2023-12-02 15:42:41,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:42:41,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2023-12-02 15:42:41,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1891, Unknown=0, NotChecked=0, Total=2162 [2023-12-02 15:42:41,817 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 40 states, 40 states have (on average 3.9) internal successors, (156), 36 states have internal predecessors, (156), 13 states have call successors, (90), 13 states have call predecessors, (90), 18 states have return successors, (91), 13 states have call predecessors, (91), 13 states have call successors, (91) [2023-12-02 15:42:51,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:42:56,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:42:58,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:42:59,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:43:01,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:43:03,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:43:03,116 INFO L93 Difference]: Finished difference Result 401 states and 554 transitions. [2023-12-02 15:43:03,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-02 15:43:03,132 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 3.9) internal successors, (156), 36 states have internal predecessors, (156), 13 states have call successors, (90), 13 states have call predecessors, (90), 18 states have return successors, (91), 13 states have call predecessors, (91), 13 states have call successors, (91) Word has length 214 [2023-12-02 15:43:03,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:43:03,136 INFO L225 Difference]: With dead ends: 401 [2023-12-02 15:43:03,136 INFO L226 Difference]: Without dead ends: 288 [2023-12-02 15:43:03,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2093 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=1153, Invalid=5489, Unknown=0, NotChecked=0, Total=6642 [2023-12-02 15:43:03,140 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 641 mSDsluCounter, 917 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 458 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 1851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:43:03,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 1004 Invalid, 1851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1391 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2023-12-02 15:43:03,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-12-02 15:43:03,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 235. [2023-12-02 15:43:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 142 states have (on average 1.176056338028169) internal successors, (167), 143 states have internal predecessors, (167), 70 states have call successors, (70), 22 states have call predecessors, (70), 22 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-02 15:43:03,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 307 transitions. [2023-12-02 15:43:03,196 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 307 transitions. Word has length 214 [2023-12-02 15:43:03,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:43:03,197 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 307 transitions. [2023-12-02 15:43:03,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.9) internal successors, (156), 36 states have internal predecessors, (156), 13 states have call successors, (90), 13 states have call predecessors, (90), 18 states have return successors, (91), 13 states have call predecessors, (91), 13 states have call successors, (91) [2023-12-02 15:43:03,198 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 307 transitions. [2023-12-02 15:43:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-12-02 15:43:03,201 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:43:03,201 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:43:03,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:43:03,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-12-02 15:43:03,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 15:43:03,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 15:43:03,803 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:43:03,803 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:43:03,803 INFO L85 PathProgramCache]: Analyzing trace with hash -375298690, now seen corresponding path program 1 times [2023-12-02 15:43:03,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:43:03,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272243099] [2023-12-02 15:43:03,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:43:03,804 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 15:43:03,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:43:03,805 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:43:03,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5619d523-eb7c-4ca4-ab95-779cc3764865/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 15:43:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:43:04,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 72 conjunts are in the unsatisfiable core [2023-12-02 15:43:04,191 INFO L285 TraceCheckSpWp]: Computing forward predicates...