./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 743595c72aff8d0f3b5fb9dea31749c854cf2066424a30dfc435f22c873187b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:24,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:24,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:23:24,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:24,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:24,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:24,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:24,642 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:24,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:24,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:24,649 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:24,650 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:24,650 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:24,652 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:24,652 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:24,653 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:24,653 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:24,654 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:24,654 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:24,655 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:24,655 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:24,656 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:24,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:24,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:24,658 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:24,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:24,659 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:24,659 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:24,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:24,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:24,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:24,662 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:24,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:24,663 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:24,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:24,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:24,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:24,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:24,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:24,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:24,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:24,665 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:24,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:24,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:24,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:24,666 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:24,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:24,667 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_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 743595c72aff8d0f3b5fb9dea31749c854cf2066424a30dfc435f22c873187b9 [2023-11-23 21:23:24,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:25,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:25,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:25,022 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:25,022 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:25,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i [2023-11-23 21:23:28,102 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:28,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:28,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i [2023-11-23 21:23:28,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/data/5783aff21/233db6a8570947dc9e95db52005c2865/FLAG5fb2fd51e [2023-11-23 21:23:28,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/data/5783aff21/233db6a8570947dc9e95db52005c2865 [2023-11-23 21:23:28,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:28,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:28,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:28,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:28,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:28,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629498a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28, skipping insertion in model container [2023-11-23 21:23:28,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,471 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:28,641 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_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i[919,932] [2023-11-23 21:23:28,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:28,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:28,744 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_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i[919,932] [2023-11-23 21:23:28,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:28,833 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:28,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28 WrapperNode [2023-11-23 21:23:28,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:28,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:28,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:28,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:28,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,903 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 293 [2023-11-23 21:23:28,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:28,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:28,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:28,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:28,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:28,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:28,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:28,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:28,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (1/1) ... [2023-11-23 21:23:28,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:28,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:29,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:29,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:29,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:29,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:29,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:29,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:29,222 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:29,225 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:29,847 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:30,347 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:30,348 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:30,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:30 BoogieIcfgContainer [2023-11-23 21:23:30,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:30,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:30,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:30,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:30,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:28" (1/3) ... [2023-11-23 21:23:30,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7c611d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:30, skipping insertion in model container [2023-11-23 21:23:30,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:28" (2/3) ... [2023-11-23 21:23:30,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7c611d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:30, skipping insertion in model container [2023-11-23 21:23:30,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:30" (3/3) ... [2023-11-23 21:23:30,364 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i [2023-11-23 21:23:30,385 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:30,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:30,448 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:30,454 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;@37ae0fae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:30,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:30,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:23:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 21:23:30,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:30,488 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:30,489 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:30,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:30,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1556103497, now seen corresponding path program 1 times [2023-11-23 21:23:30,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:30,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157386139] [2023-11-23 21:23:30,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:30,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:30,844 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:23:30,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1927984329] [2023-11-23 21:23:30,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:30,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:30,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:30,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:30,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:23:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:31,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:23:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:23:31,564 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:23:31,567 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:23:31,571 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:23:31,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:31,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:23:31,800 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:23:31,804 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:31,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:31 BoogieIcfgContainer [2023-11-23 21:23:31,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:31,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:31,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:31,995 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:31,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:30" (3/4) ... [2023-11-23 21:23:31,997 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:23:31,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:32,000 INFO L158 Benchmark]: Toolchain (without parser) took 3589.25ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 105.7MB in the beginning and 74.2MB in the end (delta: 31.5MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2023-11-23 21:23:32,000 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:32,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.34ms. Allocated memory is still 136.3MB. Free memory was 105.7MB in the beginning and 89.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:23:32,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.82ms. Allocated memory is still 136.3MB. Free memory was 89.9MB in the beginning and 86.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:23:32,009 INFO L158 Benchmark]: Boogie Preprocessor took 62.64ms. Allocated memory is still 136.3MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:32,011 INFO L158 Benchmark]: RCFGBuilder took 1382.58ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 84.2MB in the beginning and 77.3MB in the end (delta: 6.9MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-23 21:23:32,012 INFO L158 Benchmark]: TraceAbstraction took 1640.11ms. Allocated memory is still 167.8MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:32,013 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 167.8MB. Free memory was 75.2MB in the beginning and 74.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:32,022 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.34ms. Allocated memory is still 136.3MB. Free memory was 105.7MB in the beginning and 89.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.82ms. Allocated memory is still 136.3MB. Free memory was 89.9MB in the beginning and 86.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.64ms. Allocated memory is still 136.3MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1382.58ms. Allocated memory was 136.3MB in the beginning and 167.8MB in the end (delta: 31.5MB). Free memory was 84.2MB in the beginning and 77.3MB in the end (delta: 6.9MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1640.11ms. Allocated memory is still 167.8MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 167.8MB. Free memory was 75.2MB in the beginning and 74.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 98, overapproximation of someBinaryArithmeticDOUBLEoperation at line 89, overapproximation of bitwiseAnd at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 209. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] double var_1_4 = 10.5; [L24] double var_1_5 = 1.55; [L25] signed char var_1_8 = -10; [L26] signed char var_1_10 = -16; [L27] signed char var_1_11 = -4; [L28] signed char var_1_12 = -16; [L29] double var_1_13 = 128.55; [L30] double var_1_14 = 2.3; [L31] double var_1_15 = 4.8; [L32] unsigned long int var_1_16 = 0; [L33] signed long int var_1_17 = 5; [L34] signed long int var_1_18 = 256; [L35] unsigned long int var_1_19 = 50; [L36] unsigned long int var_1_20 = 1; [L37] signed short int var_1_21 = -50; [L38] unsigned char var_1_23 = 1; [L39] unsigned char var_1_24 = 0; [L40] unsigned char var_1_25 = 0; [L41] unsigned char var_1_28 = 0; [L42] unsigned char var_1_29 = 0; [L43] unsigned char var_1_30 = 1; [L44] unsigned long int var_1_31 = 200; [L45] unsigned long int var_1_34 = 50; [L46] unsigned char var_1_35 = 32; [L47] unsigned char var_1_36 = 10; [L48] double var_1_37 = 15.5; [L49] double var_1_38 = 99.375; [L50] signed long int var_1_39 = -10; [L51] unsigned long int var_1_42 = 10000; [L52] unsigned long int var_1_43 = 4251471014; [L53] signed short int var_1_44 = 64; [L54] unsigned char var_1_45 = 1; [L55] unsigned long int var_1_46 = 25; [L56] signed long int var_1_47 = -50; [L57] unsigned char var_1_48 = 0; [L58] double var_1_49 = 16.5; [L59] signed char last_1_var_1_8 = -10; [L60] signed short int last_1_var_1_21 = -50; [L61] unsigned char last_1_var_1_23 = 1; [L213] isInitial = 1 [L214] FCALL initially() [L215] COND TRUE 1 [L216] CALL updateLastVariables() [L204] last_1_var_1_8 = var_1_8 [L205] last_1_var_1_21 = var_1_21 [L206] last_1_var_1_23 = var_1_23 [L216] RET updateLastVariables() [L217] CALL updateVariables() [L146] var_1_4 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_5=31/20, var_1_8=-10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_5=31/20, var_1_8=-10] [L148] var_1_5 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=-16, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L150] var_1_10 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_10 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_10 >= -63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L152] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=-4, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L153] var_1_11 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_11 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_11 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L155] CALL assume_abort_if_not(var_1_11 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_11 <= 32) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=-16, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L156] var_1_12 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L158] CALL assume_abort_if_not(var_1_12 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_12 <= 31) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_14=23/10, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L159] var_1_14 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_15=24/5, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L161] var_1_15 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=5, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L163] var_1_17 = __VERIFIER_nondet_long() [L164] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L165] CALL assume_abort_if_not(var_1_17 <= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_17 <= 1073741824) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=256, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L166] var_1_18 = __VERIFIER_nondet_long() [L167] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L168] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=50, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L169] var_1_19 = __VERIFIER_nondet_ulong() [L170] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L171] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=1, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L172] var_1_20 = __VERIFIER_nondet_ulong() [L173] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L174] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L175] var_1_24 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L177] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=0, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L178] var_1_28 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_28 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_28 >= 1) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L180] CALL assume_abort_if_not(var_1_28 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_28 <= 1) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L181] var_1_29 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L183] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L184] var_1_30 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_30 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_30 >= 1) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L186] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=50, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L187] var_1_34 = __VERIFIER_nondet_ulong() [L188] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L189] CALL assume_abort_if_not(var_1_34 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_34 <= 4294967294) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=10, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L190] var_1_36 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L192] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_38=795/8, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L193] var_1_38 = __VERIFIER_nondet_double() [L194] CALL assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=4251471014, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L195] var_1_43 = __VERIFIER_nondet_ulong() [L196] CALL assume_abort_if_not(var_1_43 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_43 >= 3221225470) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L197] CALL assume_abort_if_not(var_1_43 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_43 <= 4294967294) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L198] var_1_45 = __VERIFIER_nondet_uchar() [L199] CALL assume_abort_if_not(var_1_45 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_45 >= 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L200] CALL assume_abort_if_not(var_1_45 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not(var_1_45 <= 255) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L201] CALL assume_abort_if_not(var_1_45 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not(var_1_45 != 0) VAL [isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=2571/20, var_1_16=0, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=1, var_1_24=0, var_1_25=0, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=31/2, var_1_39=-10, var_1_42=10000, var_1_43=3221225470, var_1_44=64, var_1_45=1, var_1_46=25, var_1_47=-50, var_1_48=0, var_1_49=33/2, var_1_8=-10] [L217] RET updateVariables() [L218] CALL step() [L65] COND TRUE last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8))) [L66] COND TRUE \read(last_1_var_1_23) [L67] var_1_8 = (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))) [L72] COND FALSE !((var_1_16 / var_1_45) > ((((var_1_36) < 0 ) ? -(var_1_36) : (var_1_36)))) [L75] var_1_44 = var_1_8 [L77] var_1_23 = var_1_24 [L78] COND TRUE 32 >= var_1_21 [L79] var_1_25 = ((var_1_23 || (var_1_28 && var_1_29)) && var_1_30) [L81] COND FALSE !(! var_1_30) [L84] var_1_39 = (var_1_21 + ((((var_1_36) > ((var_1_21 + var_1_21))) ? (var_1_36) : ((var_1_21 + var_1_21))))) [L86] var_1_49 = var_1_38 [L87] COND TRUE 128u >= var_1_8 [L88] COND TRUE ! var_1_23 [L89] var_1_13 = ((var_1_14 - var_1_15) + 0.25) [L98] EXPR 16u | var_1_8 [L98] EXPR (((16u | var_1_8)) > (var_1_16)) ? ((16u | var_1_8)) : (var_1_16) [L98] EXPR 16u | var_1_8 [L98] EXPR (((16u | var_1_8)) > (var_1_16)) ? ((16u | var_1_8)) : (var_1_16) [L98] COND FALSE !(var_1_16 > (((((16u | var_1_8)) > (var_1_16)) ? ((16u | var_1_8)) : (var_1_16)))) [L103] var_1_48 = var_1_30 [L104] COND FALSE !(var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) [L107] COND FALSE !(\read(var_1_23)) [L110] var_1_16 = var_1_19 [L113] var_1_37 = var_1_38 [L114] COND TRUE ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8) [L115] EXPR var_1_18 & var_1_16 [L115] COND FALSE !(var_1_11 >= (var_1_18 & var_1_16)) [L118] COND FALSE !(var_1_19 < var_1_8) [L123] EXPR var_1_21 & -10 [L123] COND FALSE !((var_1_21 & -10) < var_1_16) [L132] var_1_42 = ((var_1_43 - var_1_36) - var_1_8) [L133] var_1_46 = var_1_43 [L134] var_1_47 = var_1_8 [L135] unsigned char stepLocal_1 = var_1_23; [L136] signed char stepLocal_0 = var_1_8; [L137] COND FALSE !(stepLocal_0 >= var_1_16) [L140] COND FALSE !(var_1_23 || stepLocal_1) [L218] RET step() [L219] CALL, EXPR property() [L209] EXPR (((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1) [L209-L210] return ((((((var_1_8 >= var_1_16) ? (var_1_1 == ((double) (var_1_4 - ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) : ((var_1_23 || var_1_23) ? (var_1_1 == ((double) 128.75)) : 1)) && ((last_1_var_1_21 <= ((((last_1_var_1_21) < (last_1_var_1_8)) ? (last_1_var_1_21) : (last_1_var_1_8)))) ? (last_1_var_1_23 ? (var_1_8 == ((signed char) (-16 + ((((var_1_10) < ((var_1_11 + var_1_12))) ? (var_1_10) : ((var_1_11 + var_1_12))))))) : 1) : (var_1_8 == ((signed char) var_1_12)))) && ((128u >= var_1_8) ? ((! var_1_23) ? (var_1_13 == ((double) ((var_1_14 - var_1_15) + 0.25))) : (var_1_13 == ((double) var_1_14))) : (var_1_23 ? (var_1_13 == ((double) var_1_5)) : 1))) && ((var_1_8 >= ((1329162249 - var_1_17) - var_1_18)) ? (var_1_16 == ((unsigned long int) (((((((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) < (var_1_19)) ? (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18)))) : (var_1_19))) + var_1_20))) : (var_1_23 ? (var_1_16 == ((unsigned long int) var_1_18)) : (var_1_16 == ((unsigned long int) var_1_19))))) && ((((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) <= (var_1_11 + var_1_8)) ? ((var_1_11 >= (var_1_18 & var_1_16)) ? (var_1_21 == ((signed short int) 8)) : ((var_1_19 < var_1_8) ? (var_1_21 == ((signed short int) 64)) : 1)) : 1)) && (var_1_23 == ((unsigned char) var_1_24)) ; [L219] RET, EXPR property() [L219] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=0, var_1_14=0, var_1_16=18, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_25=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=2, var_1_38=2, var_1_39=-49, var_1_42=3221225453, var_1_43=3221225470, var_1_44=16, var_1_45=1, var_1_46=3221225470, var_1_47=16, var_1_48=1, var_1_49=2, var_1_5=0, var_1_8=16] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_21=-50, last_1_var_1_23=1, last_1_var_1_8=-10, var_1_10=63, var_1_11=17, var_1_12=15, var_1_13=0, var_1_14=0, var_1_16=18, var_1_17=0, var_1_18=18, var_1_19=18, var_1_1=79/5, var_1_20=0, var_1_21=-50, var_1_23=0, var_1_24=0, var_1_25=1, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=200, var_1_34=1, var_1_35=32, var_1_36=1, var_1_37=2, var_1_38=2, var_1_39=-49, var_1_42=3221225453, var_1_43=3221225470, var_1_44=16, var_1_45=1, var_1_46=3221225470, var_1_47=16, var_1_48=1, var_1_49=2, var_1_5=0, var_1_8=16] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 36, 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=65occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:23:32,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 743595c72aff8d0f3b5fb9dea31749c854cf2066424a30dfc435f22c873187b9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:34,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:34,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:23:34,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:34,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:34,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:34,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:34,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:34,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:34,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:34,955 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:34,955 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:34,956 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:34,957 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:34,958 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:34,958 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:34,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:34,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:34,960 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:34,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:34,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:34,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:34,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:34,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:34,963 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:23:34,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:23:34,964 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:23:34,965 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:34,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:34,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:34,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:34,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:23:34,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:34,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:34,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:34,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:34,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:34,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:34,969 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:23:34,971 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:23:34,971 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:34,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:34,971 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:34,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:34,972 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_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 743595c72aff8d0f3b5fb9dea31749c854cf2066424a30dfc435f22c873187b9 [2023-11-23 21:23:35,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:35,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:35,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:35,420 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:35,421 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:35,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i [2023-11-23 21:23:38,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:39,088 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:39,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i [2023-11-23 21:23:39,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/data/ab7d40e49/7d837645d66a443b805ec3cd4986e2ba/FLAG61c965809 [2023-11-23 21:23:39,120 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/data/ab7d40e49/7d837645d66a443b805ec3cd4986e2ba [2023-11-23 21:23:39,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:39,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:39,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:39,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:39,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:39,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbd53a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39, skipping insertion in model container [2023-11-23 21:23:39,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:39,322 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_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i[919,932] [2023-11-23 21:23:39,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:39,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:39,506 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_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i[919,932] [2023-11-23 21:23:39,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:39,614 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:39,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39 WrapperNode [2023-11-23 21:23:39,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:39,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:39,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:39,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:39,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,720 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2023-11-23 21:23:39,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:39,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:39,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:39,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:39,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,770 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:39,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:39,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:39,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:39,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (1/1) ... [2023-11-23 21:23:39,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:39,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:39,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:39,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:23:39,878 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:39,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:39,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:40,014 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:40,016 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:42,492 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:42,550 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:42,550 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:23:42,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:42 BoogieIcfgContainer [2023-11-23 21:23:42,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:42,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:42,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:42,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:42,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:39" (1/3) ... [2023-11-23 21:23:42,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256da878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:42, skipping insertion in model container [2023-11-23 21:23:42,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:39" (2/3) ... [2023-11-23 21:23:42,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256da878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:42, skipping insertion in model container [2023-11-23 21:23:42,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:42" (3/3) ... [2023-11-23 21:23:42,567 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-24.i [2023-11-23 21:23:42,586 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:42,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:42,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:42,664 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;@3ef2d891, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:42,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:23:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-23 21:23:42,691 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:42,692 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:42,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:42,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:42,698 INFO L85 PathProgramCache]: Analyzing trace with hash -504468667, now seen corresponding path program 1 times [2023-11-23 21:23:42,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:42,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1485863440] [2023-11-23 21:23:42,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:42,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:42,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:42,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:42,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:23:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:43,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:23:43,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1006 proven. 0 refuted. 0 times theorem prover too weak. 1514 trivial. 0 not checked. [2023-11-23 21:23:43,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:43,439 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:43,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1485863440] [2023-11-23 21:23:43,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1485863440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:43,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:43,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:43,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41020598] [2023-11-23 21:23:43,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:43,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:43,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:43,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:43,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:43,482 INFO L87 Difference]: Start difference. First operand has 95 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:23:44,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:44,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:44,737 INFO L93 Difference]: Finished difference Result 186 states and 340 transitions. [2023-11-23 21:23:44,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:44,763 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 221 [2023-11-23 21:23:44,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:44,774 INFO L225 Difference]: With dead ends: 186 [2023-11-23 21:23:44,774 INFO L226 Difference]: Without dead ends: 92 [2023-11-23 21:23:44,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:44,784 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:44,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-23 21:23:44,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-23 21:23:44,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-11-23 21:23:44,855 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), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-23 21:23:44,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 146 transitions. [2023-11-23 21:23:44,861 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 146 transitions. Word has length 221 [2023-11-23 21:23:44,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:44,861 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 146 transitions. [2023-11-23 21:23:44,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-23 21:23:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 146 transitions. [2023-11-23 21:23:44,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-23 21:23:44,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:44,869 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:44,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:45,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:45,082 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:45,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:45,084 INFO L85 PathProgramCache]: Analyzing trace with hash 322998853, now seen corresponding path program 1 times [2023-11-23 21:23:45,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:45,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684440531] [2023-11-23 21:23:45,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:45,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:45,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:45,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:45,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:23:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:45,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:23:45,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:23:48,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:48,932 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:48,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684440531] [2023-11-23 21:23:48,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684440531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:48,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:48,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:48,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315347909] [2023-11-23 21:23:48,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:48,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:48,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:48,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:48,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:23:48,947 INFO L87 Difference]: Start difference. First operand 92 states and 146 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:23:51,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:53,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:53,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:53,418 INFO L93 Difference]: Finished difference Result 302 states and 480 transitions. [2023-11-23 21:23:53,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:23:53,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 221 [2023-11-23 21:23:53,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:53,445 INFO L225 Difference]: With dead ends: 302 [2023-11-23 21:23:53,445 INFO L226 Difference]: Without dead ends: 211 [2023-11-23 21:23:53,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:23:53,449 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 154 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:53,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 381 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-23 21:23:53,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-11-23 21:23:53,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 180. [2023-11-23 21:23:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 105 states have (on average 1.3428571428571427) internal successors, (141), 105 states have internal predecessors, (141), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-23 21:23:53,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 285 transitions. [2023-11-23 21:23:53,539 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 285 transitions. Word has length 221 [2023-11-23 21:23:53,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:53,541 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 285 transitions. [2023-11-23 21:23:53,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:23:53,541 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 285 transitions. [2023-11-23 21:23:53,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 21:23:53,547 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:53,547 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:53,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:53,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:53,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:53,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:53,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2124032093, now seen corresponding path program 1 times [2023-11-23 21:23:53,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:23:53,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1208329623] [2023-11-23 21:23:53,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:53,771 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:23:53,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:23:53,773 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:23:53,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:23:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:54,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:23:54,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:23:55,482 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:23:55,483 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:23:55,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1208329623] [2023-11-23 21:23:55,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1208329623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:55,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:55,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:55,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137300513] [2023-11-23 21:23:55,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:55,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:23:55,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:23:55,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:23:55,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:23:55,488 INFO L87 Difference]: Start difference. First operand 180 states and 285 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:23:58,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:00,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:00,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:00,162 INFO L93 Difference]: Finished difference Result 363 states and 575 transitions. [2023-11-23 21:24:00,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:24:00,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 222 [2023-11-23 21:24:00,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:00,198 INFO L225 Difference]: With dead ends: 363 [2023-11-23 21:24:00,198 INFO L226 Difference]: Without dead ends: 184 [2023-11-23 21:24:00,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:24:00,203 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 74 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:00,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 415 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-11-23 21:24:00,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-23 21:24:00,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 155. [2023-11-23 21:24:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 80 states have (on average 1.25) internal successors, (100), 80 states have internal predecessors, (100), 72 states have call successors, (72), 2 states have call predecessors, (72), 2 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2023-11-23 21:24:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 244 transitions. [2023-11-23 21:24:00,266 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 244 transitions. Word has length 222 [2023-11-23 21:24:00,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:00,267 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 244 transitions. [2023-11-23 21:24:00,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:24:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 244 transitions. [2023-11-23 21:24:00,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 21:24:00,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:00,272 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:00,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:00,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:24:00,485 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:00,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:00,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1456156705, now seen corresponding path program 1 times [2023-11-23 21:24:00,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:00,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446669410] [2023-11-23 21:24:00,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:00,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:24:00,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:00,489 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:24:00,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:24:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:01,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:24:01,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-23 21:24:02,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:24:02,409 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:02,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446669410] [2023-11-23 21:24:02,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446669410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:24:02,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:24:02,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:24:02,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830734941] [2023-11-23 21:24:02,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:24:02,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:24:02,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:02,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:24:02,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:02,413 INFO L87 Difference]: Start difference. First operand 155 states and 244 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:24:04,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:05,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:05,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:05,994 INFO L93 Difference]: Finished difference Result 337 states and 534 transitions. [2023-11-23 21:24:05,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:24:05,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 222 [2023-11-23 21:24:05,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:06,000 INFO L225 Difference]: With dead ends: 337 [2023-11-23 21:24:06,000 INFO L226 Difference]: Without dead ends: 246 [2023-11-23 21:24:06,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:24:06,002 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 42 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:06,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 265 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-23 21:24:06,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-11-23 21:24:06,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 244. [2023-11-23 21:24:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 132 states have (on average 1.2954545454545454) internal successors, (171), 132 states have internal predecessors, (171), 108 states have call successors, (108), 3 states have call predecessors, (108), 3 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-23 21:24:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 387 transitions. [2023-11-23 21:24:06,068 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 387 transitions. Word has length 222 [2023-11-23 21:24:06,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:06,071 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 387 transitions. [2023-11-23 21:24:06,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-23 21:24:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 387 transitions. [2023-11-23 21:24:06,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 21:24:06,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:06,076 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:06,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:06,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:24:06,288 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:06,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:06,289 INFO L85 PathProgramCache]: Analyzing trace with hash -435088351, now seen corresponding path program 1 times [2023-11-23 21:24:06,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:06,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138246018] [2023-11-23 21:24:06,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:06,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:24:06,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:06,291 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:24:06,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:24:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:06,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:24:06,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1139 proven. 33 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2023-11-23 21:24:07,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:07,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 72 proven. 33 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:24:07,714 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:07,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138246018] [2023-11-23 21:24:07,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138246018] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:07,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [502902095] [2023-11-23 21:24:07,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:07,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:07,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:24:07,723 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:24:07,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 21:24:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:09,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:24:09,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1139 proven. 33 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2023-11-23 21:24:09,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 72 proven. 33 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:24:10,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [502902095] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:10,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062775359] [2023-11-23 21:24:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:10,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:24:10,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:10,010 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:24:10,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:24:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:10,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:24:10,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1139 proven. 33 refuted. 0 times theorem prover too weak. 1348 trivial. 0 not checked. [2023-11-23 21:24:10,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 72 proven. 33 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:24:11,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062775359] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:11,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:24:11,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-23 21:24:11,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459134314] [2023-11-23 21:24:11,050 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:24:11,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:24:11,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:11,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:24:11,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:24:11,053 INFO L87 Difference]: Start difference. First operand 244 states and 387 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-23 21:24:14,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:15,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:24:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:24:15,506 INFO L93 Difference]: Finished difference Result 442 states and 690 transitions. [2023-11-23 21:24:15,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:24:15,528 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 222 [2023-11-23 21:24:15,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:24:15,530 INFO L225 Difference]: With dead ends: 442 [2023-11-23 21:24:15,531 INFO L226 Difference]: Without dead ends: 262 [2023-11-23 21:24:15,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1330 GetRequests, 1318 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:24:15,533 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 85 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:24:15,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 226 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 202 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-11-23 21:24:15,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-23 21:24:15,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 256. [2023-11-23 21:24:15,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 141 states have (on average 1.24822695035461) internal successors, (176), 141 states have internal predecessors, (176), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-11-23 21:24:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 392 transitions. [2023-11-23 21:24:15,588 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 392 transitions. Word has length 222 [2023-11-23 21:24:15,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:24:15,589 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 392 transitions. [2023-11-23 21:24:15,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-23 21:24:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 392 transitions. [2023-11-23 21:24:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-23 21:24:15,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:24:15,593 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:24:15,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:15,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:16,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:24:16,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:24:16,205 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:24:16,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:24:16,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1714952029, now seen corresponding path program 1 times [2023-11-23 21:24:16,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:24:16,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282443316] [2023-11-23 21:24:16,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:16,206 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:24:16,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:24:16,208 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:24:16,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-23 21:24:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:16,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:24:16,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:17,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1289 proven. 48 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2023-11-23 21:24:17,245 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:17,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 57 proven. 48 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:24:17,743 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:24:17,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282443316] [2023-11-23 21:24:17,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282443316] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:17,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1068568302] [2023-11-23 21:24:17,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:17,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:24:17,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:24:17,747 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:24:17,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-23 21:24:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:19,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:24:19,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1289 proven. 48 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2023-11-23 21:24:19,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:20,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 57 proven. 48 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:24:20,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1068568302] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:20,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031908133] [2023-11-23 21:24:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:24:20,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:24:20,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:24:20,376 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:24:20,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_820f89d2-3883-4fb0-9c40-1d5ba1d199d0/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-23 21:24:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:24:20,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:24:20,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:24:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1289 proven. 48 refuted. 0 times theorem prover too weak. 1183 trivial. 0 not checked. [2023-11-23 21:24:21,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:24:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 57 proven. 48 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-11-23 21:24:21,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031908133] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:24:21,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 21:24:21,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-23 21:24:21,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971099950] [2023-11-23 21:24:21,679 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 21:24:21,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:24:21,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:24:21,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:24:21,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:24:21,683 INFO L87 Difference]: Start difference. First operand 256 states and 392 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (52), 2 states have call predecessors, (52), 4 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53)