./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8456d7b7b6cba2e1f4cc22023658f7dd768509fc86decaacd3d3922e32c6df21 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:37:58,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:37:58,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:37:58,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:37:58,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:37:58,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:37:58,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:37:58,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:37:58,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:37:58,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:37:58,940 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:37:58,940 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:37:58,941 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:37:58,942 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:37:58,942 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:37:58,943 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:37:58,943 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:37:58,944 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:37:58,944 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:37:58,945 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:37:58,945 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:37:58,946 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:37:58,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:37:58,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:37:58,948 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:37:58,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:37:58,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:37:58,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:37:58,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:37:58,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:37:58,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:37:58,951 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:37:58,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:37:58,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:37:58,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:37:58,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:37:58,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:37:58,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:37:58,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:37:58,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:37:58,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:37:58,953 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:37:58,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:37:58,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:37:58,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:37:58,954 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:37:58,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:37:58,954 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_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8456d7b7b6cba2e1f4cc22023658f7dd768509fc86decaacd3d3922e32c6df21 [2023-12-02 15:37:59,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:37:59,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:37:59,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:37:59,175 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:37:59,176 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:37:59,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-12-02 15:38:01,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:38:02,139 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:38:02,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-12-02 15:38:02,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/data/9ba00f960/2e36c9b2c95b47fe8b6fbe1a1be46384/FLAGa697803e5 [2023-12-02 15:38:02,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/data/9ba00f960/2e36c9b2c95b47fe8b6fbe1a1be46384 [2023-12-02 15:38:02,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:38:02,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:38:02,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:38:02,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:38:02,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:38:02,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8bd6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02, skipping insertion in model container [2023-12-02 15:38:02,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:38:02,318 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_43c8e5bc-1559-48df-a6fb-98df872430a7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i[915,928] [2023-12-02 15:38:02,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:38:02,390 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:38:02,403 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_43c8e5bc-1559-48df-a6fb-98df872430a7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i[915,928] [2023-12-02 15:38:02,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:38:02,454 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:38:02,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02 WrapperNode [2023-12-02 15:38:02,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:38:02,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:38:02,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:38:02,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:38:02,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,526 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-12-02 15:38:02,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:38:02,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:38:02,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:38:02,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:38:02,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:38:02,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:38:02,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:38:02,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:38:02,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (1/1) ... [2023-12-02 15:38:02,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:38:02,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:38:02,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:38:02,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:38:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:38:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:38:02,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:38:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:38:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:38:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:38:02,744 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:38:02,746 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:38:03,091 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:38:03,252 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:38:03,252 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:38:03,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:03 BoogieIcfgContainer [2023-12-02 15:38:03,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:38:03,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:38:03,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:38:03,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:38:03,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:38:02" (1/3) ... [2023-12-02 15:38:03,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae0e5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:03, skipping insertion in model container [2023-12-02 15:38:03,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:02" (2/3) ... [2023-12-02 15:38:03,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae0e5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:03, skipping insertion in model container [2023-12-02 15:38:03,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:03" (3/3) ... [2023-12-02 15:38:03,262 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-12-02 15:38:03,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:38:03,282 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:38:03,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:38:03,337 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;@7768dfaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:38:03,337 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:38:03,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-02 15:38:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 15:38:03,350 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:38:03,351 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:38:03,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:38:03,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:38:03,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1078964780, now seen corresponding path program 1 times [2023-12-02 15:38:03,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:38:03,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030403091] [2023-12-02 15:38:03,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:03,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:38:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:38:03,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:38:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:38:03,964 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:38:03,965 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:38:03,967 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:38:03,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 15:38:03,972 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:38:03,977 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:38:04,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:38:04 BoogieIcfgContainer [2023-12-02 15:38:04,066 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:38:04,067 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:38:04,067 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:38:04,067 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:38:04,068 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:03" (3/4) ... [2023-12-02 15:38:04,070 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:38:04,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:38:04,073 INFO L158 Benchmark]: Toolchain (without parser) took 1910.17ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 119.9MB in the beginning and 129.0MB in the end (delta: -9.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 15:38:04,073 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:38:04,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.48ms. Allocated memory is still 159.4MB. Free memory was 119.9MB in the beginning and 104.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:38:04,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.80ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 98.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 15:38:04,075 INFO L158 Benchmark]: Boogie Preprocessor took 52.68ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 96.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:38:04,076 INFO L158 Benchmark]: RCFGBuilder took 673.21ms. Allocated memory is still 159.4MB. Free memory was 96.0MB in the beginning and 107.0MB in the end (delta: -11.0MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-12-02 15:38:04,076 INFO L158 Benchmark]: TraceAbstraction took 810.50ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 106.3MB in the beginning and 129.0MB in the end (delta: -22.7MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2023-12-02 15:38:04,077 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 192.9MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:38:04,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.48ms. Allocated memory is still 159.4MB. Free memory was 119.9MB in the beginning and 104.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.80ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 98.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.68ms. Allocated memory is still 159.4MB. Free memory was 98.5MB in the beginning and 96.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.21ms. Allocated memory is still 159.4MB. Free memory was 96.0MB in the beginning and 107.0MB in the end (delta: -11.0MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * TraceAbstraction took 810.50ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 106.3MB in the beginning and 129.0MB in the end (delta: -22.7MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 192.9MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someUnaryDOUBLEoperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someUnaryFLOAToperation at line 68, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] double var_1_30 = 2.75; [L44] double var_1_31 = 0.0; [L45] unsigned char var_1_32 = 8; [L46] unsigned char var_1_33 = 100; [L47] double var_1_34 = 0.19999999999999996; [L48] signed char var_1_35 = -32; [L49] signed char var_1_36 = -1; [L50] signed char var_1_37 = -8; [L51] unsigned char last_1_var_1_15 = 0; [L154] isInitial = 1 [L155] FCALL initially() [L156] COND TRUE 1 [L157] CALL updateLastVariables() [L147] last_1_var_1_15 = var_1_15 [L157] RET updateLastVariables() [L158] CALL updateVariables() [L102] var_1_2 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L104] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=64, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L105] var_1_3 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L107] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L108] var_1_7 = __VERIFIER_nondet_ushort() [L109] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L110] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L111] var_1_8 = __VERIFIER_nondet_ushort() [L112] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L113] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=20013] [L114] var_1_9 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L116] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L117] var_1_12 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L119] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L120] var_1_13 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L122] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L123] var_1_21 = __VERIFIER_nondet_double() [L124] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L125] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L126] var_1_23 = __VERIFIER_nondet_short() [L127] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L128] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L129] var_1_25 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L131] var_1_26 = __VERIFIER_nondet_float() [L132] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L133] var_1_27 = __VERIFIER_nondet_float() [L134] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L135] var_1_28 = __VERIFIER_nondet_float() [L136] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_31=0, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L137] var_1_31 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=100, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L139] var_1_33 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L141] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-8, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L142] var_1_37 = __VERIFIER_nondet_char() [L143] CALL assume_abort_if_not(var_1_37 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_37 >= -127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L144] CALL assume_abort_if_not(var_1_37 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_37 <= 126) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_33=0, var_1_34=4999999999999999/25000000000000000, var_1_35=-32, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-16, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L158] RET updateVariables() [L159] CALL step() [L55] var_1_30 = ((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31))) [L56] var_1_32 = var_1_33 [L57] var_1_34 = var_1_31 [L58] var_1_35 = -1 [L59] COND FALSE !(var_1_31 <= var_1_34) [L64] COND FALSE !(\read(last_1_var_1_15)) [L67] COND FALSE !(\read(var_1_10)) [L70] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) [L72] COND FALSE !((- var_1_24) == (var_1_24 + var_1_24)) [L75] COND FALSE !(var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) [L82] var_1_19 = var_1_2 [L84] COND TRUE var_1_24 != var_1_24 [L85] var_1_29 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L87] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); [L88] COND TRUE stepLocal_1 >= var_1_29 [L89] var_1_6 = (var_1_3 - (var_1_9 - var_1_2)) [L91] COND FALSE !(\read(var_1_15)) [L94] signed long int stepLocal_0 = var_1_2 - var_1_3; [L95] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L96] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L159] RET step() [L160] CALL, EXPR property() [L150-L151] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; [L160] RET, EXPR property() [L160] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-128, var_1_24=56843, var_1_25=56843, var_1_26=56843, var_1_29=127, var_1_2=127, var_1_30=56844, var_1_31=56844, var_1_32=0, var_1_33=0, var_1_34=56844, var_1_35=-1, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-32512, var_1_7=32767, var_1_8=32767, var_1_9=32766] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=127, var_1_1=127, var_1_23=-128, var_1_24=56843, var_1_25=56843, var_1_26=56843, var_1_29=127, var_1_2=127, var_1_30=56844, var_1_31=56844, var_1_32=0, var_1_33=0, var_1_34=56844, var_1_35=-1, var_1_36=-1, var_1_37=-127, var_1_3=127, var_1_6=-32512, var_1_7=32767, var_1_8=32767, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 27, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 15:38:04,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/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_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8456d7b7b6cba2e1f4cc22023658f7dd768509fc86decaacd3d3922e32c6df21 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:38:06,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:38:06,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:38:06,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:38:06,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:38:06,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:38:06,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:38:06,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:38:06,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:38:06,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:38:06,188 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:38:06,188 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:38:06,189 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:38:06,189 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:38:06,190 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:38:06,190 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:38:06,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:38:06,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:38:06,192 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:38:06,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:38:06,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:38:06,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:38:06,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:38:06,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:38:06,195 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:38:06,195 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:38:06,195 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:38:06,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:38:06,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:38:06,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:38:06,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:38:06,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:38:06,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:38:06,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:38:06,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:38:06,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:38:06,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:38:06,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:38:06,199 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:38:06,199 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:38:06,200 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:38:06,200 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:38:06,200 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:38:06,200 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:38:06,200 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_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8456d7b7b6cba2e1f4cc22023658f7dd768509fc86decaacd3d3922e32c6df21 [2023-12-02 15:38:06,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:38:06,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:38:06,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:38:06,518 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:38:06,518 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:38:06,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-12-02 15:38:09,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:38:09,444 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:38:09,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-12-02 15:38:09,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/data/0d944af4b/13af595e14f2423f83b0b7f9c1fa5603/FLAGbad5e149b [2023-12-02 15:38:09,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/data/0d944af4b/13af595e14f2423f83b0b7f9c1fa5603 [2023-12-02 15:38:09,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:38:09,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:38:09,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:38:09,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:38:09,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:38:09,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492b5734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09, skipping insertion in model container [2023-12-02 15:38:09,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,513 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:38:09,637 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_43c8e5bc-1559-48df-a6fb-98df872430a7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i[915,928] [2023-12-02 15:38:09,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:38:09,722 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:38:09,733 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_43c8e5bc-1559-48df-a6fb-98df872430a7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-19.i[915,928] [2023-12-02 15:38:09,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:38:09,788 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:38:09,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09 WrapperNode [2023-12-02 15:38:09,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:38:09,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:38:09,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:38:09,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:38:09,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,842 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2023-12-02 15:38:09,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:38:09,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:38:09,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:38:09,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:38:09,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:38:09,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:38:09,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:38:09,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:38:09,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (1/1) ... [2023-12-02 15:38:09,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:38:09,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:38:09,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:38:09,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:38:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:38:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:38:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:38:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:38:09,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:38:09,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:38:10,057 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:38:10,059 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:38:17,976 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:38:18,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:38:18,023 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:38:18,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:18 BoogieIcfgContainer [2023-12-02 15:38:18,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:38:18,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:38:18,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:38:18,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:38:18,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:38:09" (1/3) ... [2023-12-02 15:38:18,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3001f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:18, skipping insertion in model container [2023-12-02 15:38:18,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:09" (2/3) ... [2023-12-02 15:38:18,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c3001f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:18, skipping insertion in model container [2023-12-02 15:38:18,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:18" (3/3) ... [2023-12-02 15:38:18,033 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-19.i [2023-12-02 15:38:18,050 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:38:18,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:38:18,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:38:18,105 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;@41c9e65a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:38:18,105 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:38:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-02 15:38:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:38:18,123 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:38:18,124 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:38:18,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:38:18,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:38:18,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1722666839, now seen corresponding path program 1 times [2023-12-02 15:38:18,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:38:18,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359976689] [2023-12-02 15:38:18,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:18,140 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:38:18,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:38:18,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:38:18,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 15:38:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:38:19,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:38:19,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:38:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 724 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2023-12-02 15:38:19,219 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:38:19,220 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:38:19,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359976689] [2023-12-02 15:38:19,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359976689] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:38:19,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:38:19,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:38:19,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298705449] [2023-12-02 15:38:19,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:38:19,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:38:19,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:38:19,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:38:19,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:38:19,263 INFO L87 Difference]: Start difference. First operand has 69 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-02 15:38:22,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:22,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:38:22,704 INFO L93 Difference]: Finished difference Result 135 states and 243 transitions. [2023-12-02 15:38:23,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:38:23,071 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2023-12-02 15:38:23,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:38:23,077 INFO L225 Difference]: With dead ends: 135 [2023-12-02 15:38:23,077 INFO L226 Difference]: Without dead ends: 67 [2023-12-02 15:38:23,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:38:23,083 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-02 15:38:23,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2023-12-02 15:38:23,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-12-02 15:38:23,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-12-02 15:38:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-02 15:38:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 104 transitions. [2023-12-02 15:38:23,128 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 104 transitions. Word has length 167 [2023-12-02 15:38:23,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:38:23,128 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 104 transitions. [2023-12-02 15:38:23,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-12-02 15:38:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-12-02 15:38:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:38:23,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:38:23,133 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:38:23,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:38:23,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:38:23,334 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:38:23,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:38:23,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1660213023, now seen corresponding path program 1 times [2023-12-02 15:38:23,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:38:23,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298353524] [2023-12-02 15:38:23,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:23,337 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:38:23,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:38:23,338 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:38:23,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 15:38:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:38:24,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 15:38:24,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:38:26,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-12-02 15:38:26,737 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:38:26,737 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:38:26,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298353524] [2023-12-02 15:38:26,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298353524] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:38:26,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:38:26,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:38:26,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611038921] [2023-12-02 15:38:26,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:38:26,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 15:38:26,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:38:26,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 15:38:26,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 15:38:26,742 INFO L87 Difference]: Start difference. First operand 67 states and 104 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 15:38:30,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:32,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:34,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:38,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:40,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:42,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:44,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:46,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:46,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:38:46,377 INFO L93 Difference]: Finished difference Result 223 states and 343 transitions. [2023-12-02 15:38:46,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:38:46,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2023-12-02 15:38:46,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:38:46,781 INFO L225 Difference]: With dead ends: 223 [2023-12-02 15:38:46,781 INFO L226 Difference]: Without dead ends: 157 [2023-12-02 15:38:46,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:38:46,784 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 85 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 59 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:38:46,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 323 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 9 Invalid, 8 Unknown, 0 Unchecked, 19.5s Time] [2023-12-02 15:38:46,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-12-02 15:38:46,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 131. [2023-12-02 15:38:46,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 74 states have (on average 1.2972972972972974) internal successors, (96), 74 states have internal predecessors, (96), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-02 15:38:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 204 transitions. [2023-12-02 15:38:46,821 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 204 transitions. Word has length 167 [2023-12-02 15:38:46,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:38:46,822 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 204 transitions. [2023-12-02 15:38:46,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 15:38:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2023-12-02 15:38:46,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:38:46,826 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:38:46,826 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:38:46,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 15:38:47,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:38:47,027 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:38:47,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:38:47,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1073407009, now seen corresponding path program 1 times [2023-12-02 15:38:47,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:38:47,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008315440] [2023-12-02 15:38:47,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:38:47,030 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:38:47,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:38:47,031 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:38:47,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 15:38:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:38:47,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:38:47,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:38:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-12-02 15:38:50,433 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:38:50,433 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:38:50,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008315440] [2023-12-02 15:38:50,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008315440] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:38:50,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:38:50,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:38:50,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690660780] [2023-12-02 15:38:50,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:38:50,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:38:50,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:38:50,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:38:50,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:38:50,437 INFO L87 Difference]: Start difference. First operand 131 states and 204 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 15:38:54,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:57,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:38:59,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:00,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:39:00,309 INFO L93 Difference]: Finished difference Result 391 states and 610 transitions. [2023-12-02 15:39:00,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:39:00,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2023-12-02 15:39:00,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:39:00,313 INFO L225 Difference]: With dead ends: 391 [2023-12-02 15:39:00,313 INFO L226 Difference]: Without dead ends: 261 [2023-12-02 15:39:00,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:00,316 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 24 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-12-02 15:39:00,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 195 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 9.8s Time] [2023-12-02 15:39:00,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2023-12-02 15:39:00,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 259. [2023-12-02 15:39:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 146 states have (on average 1.273972602739726) internal successors, (186), 146 states have internal predecessors, (186), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-12-02 15:39:00,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 402 transitions. [2023-12-02 15:39:00,367 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 402 transitions. Word has length 167 [2023-12-02 15:39:00,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:39:00,368 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 402 transitions. [2023-12-02 15:39:00,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 15:39:00,369 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 402 transitions. [2023-12-02 15:39:00,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:39:00,371 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:00,372 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:39:00,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 15:39:00,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:00,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:39:00,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:00,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1331572447, now seen corresponding path program 1 times [2023-12-02 15:39:00,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:39:00,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333361271] [2023-12-02 15:39:00,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:00,580 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:00,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:39:00,581 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:39:00,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 15:39:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:01,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 15:39:01,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:39:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-12-02 15:39:01,802 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:39:01,803 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:39:01,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333361271] [2023-12-02 15:39:01,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [333361271] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:39:01,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:39:01,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 15:39:01,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2281303] [2023-12-02 15:39:01,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:39:01,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 15:39:01,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:39:01,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 15:39:01,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:01,804 INFO L87 Difference]: Start difference. First operand 259 states and 402 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 15:39:05,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:39:07,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:39:10,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:39:14,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:39:18,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:39:20,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:22,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:39:23,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:39:23,204 INFO L93 Difference]: Finished difference Result 757 states and 1174 transitions. [2023-12-02 15:39:23,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 15:39:23,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2023-12-02 15:39:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:39:23,216 INFO L225 Difference]: With dead ends: 757 [2023-12-02 15:39:23,216 INFO L226 Difference]: Without dead ends: 499 [2023-12-02 15:39:23,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 15:39:23,219 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 94 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:39:23,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 272 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 6 Unknown, 0 Unchecked, 21.3s Time] [2023-12-02 15:39:23,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2023-12-02 15:39:23,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 263. [2023-12-02 15:39:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 150 states have (on average 1.2666666666666666) internal successors, (190), 150 states have internal predecessors, (190), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2023-12-02 15:39:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 406 transitions. [2023-12-02 15:39:23,273 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 406 transitions. Word has length 167 [2023-12-02 15:39:23,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:39:23,273 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 406 transitions. [2023-12-02 15:39:23,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-12-02 15:39:23,274 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 406 transitions. [2023-12-02 15:39:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:39:23,276 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:23,276 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:39:23,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 15:39:23,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:23,477 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:39:23,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:23,478 INFO L85 PathProgramCache]: Analyzing trace with hash 2011630817, now seen corresponding path program 1 times [2023-12-02 15:39:23,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:39:23,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603058899] [2023-12-02 15:39:23,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:23,479 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:23,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:39:23,480 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:39:23,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 15:39:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:24,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:39:24,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:39:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 708 proven. 45 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-12-02 15:39:26,129 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:39:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 33 proven. 45 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-12-02 15:39:27,329 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:39:27,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603058899] [2023-12-02 15:39:27,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603058899] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:39:27,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2129635247] [2023-12-02 15:39:27,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:27,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:39:27,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:39:27,331 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:39:27,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 15:39:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:29,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 15:39:29,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:39:30,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 708 proven. 45 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-12-02 15:39:30,861 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:39:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 33 proven. 45 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-12-02 15:39:31,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2129635247] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:39:31,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068690171] [2023-12-02 15:39:31,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:31,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:39:31,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:39:31,812 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:39:31,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 15:39:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:33,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:39:33,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:39:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 708 proven. 45 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-12-02 15:39:35,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:39:36,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 33 proven. 45 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-12-02 15:39:36,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068690171] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 15:39:36,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 15:39:36,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-12-02 15:39:36,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226990262] [2023-12-02 15:39:36,437 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 15:39:36,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:39:36,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:39:36,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:39:36,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:39:36,440 INFO L87 Difference]: Start difference. First operand 263 states and 406 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-02 15:39:41,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:43,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:45,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 15:39:45,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:39:45,847 INFO L93 Difference]: Finished difference Result 342 states and 519 transitions. [2023-12-02 15:39:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 15:39:46,240 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 167 [2023-12-02 15:39:46,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:39:46,246 INFO L225 Difference]: With dead ends: 342 [2023-12-02 15:39:46,246 INFO L226 Difference]: Without dead ends: 80 [2023-12-02 15:39:46,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 988 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2023-12-02 15:39:46,248 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 108 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 100 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-12-02 15:39:46,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 142 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 148 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2023-12-02 15:39:46,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-02 15:39:46,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2023-12-02 15:39:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-02 15:39:46,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 105 transitions. [2023-12-02 15:39:46,260 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 105 transitions. Word has length 167 [2023-12-02 15:39:46,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:39:46,261 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 105 transitions. [2023-12-02 15:39:46,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-02 15:39:46,261 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 105 transitions. [2023-12-02 15:39:46,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 15:39:46,264 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:39:46,264 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 15:39:46,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 15:39:46,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 15:39:46,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-12-02 15:39:46,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:39:46,865 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:39:46,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:39:46,866 INFO L85 PathProgramCache]: Analyzing trace with hash 2068889119, now seen corresponding path program 1 times [2023-12-02 15:39:46,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:39:46,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919434639] [2023-12-02 15:39:46,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:39:46,866 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 15:39:46,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:39:46,867 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 15:39:46,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43c8e5bc-1559-48df-a6fb-98df872430a7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-12-02 15:39:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:39:47,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 15:39:47,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:40:28,357 WARN L293 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:40:34,299 WARN L293 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 15:41:23,060 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:41:51,871 WARN L293 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:42:11,161 WARN L293 SmtUtils]: Spent 7.56s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 15:42:49,623 WARN L293 SmtUtils]: Spent 7.82s on a formula simplification. DAG size of input: 61 DAG size of output: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)