./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.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_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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_38368c80-2f39-4898-8d5f-93e8739d74b0/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 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:28:43,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:28:43,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:28:43,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:28:43,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:28:43,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:28:43,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:28:43,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:28:43,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:28:43,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:28:43,921 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:28:43,921 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:28:43,922 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:28:43,922 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:28:43,922 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:28:43,923 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:28:43,923 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:28:43,924 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:28:43,924 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:28:43,925 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:28:43,925 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:28:43,926 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:28:43,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:28:43,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:28:43,927 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:28:43,928 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:28:43,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:28:43,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:28:43,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:28:43,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:28:43,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:28:43,942 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:28:43,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:28:43,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:28:43,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:28:43,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:28:43,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:28:43,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:28:43,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:28:43,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:28:43,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:28:43,944 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:28:43,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:28:43,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:28:43,945 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:28:43,945 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:28:43,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:28:43,945 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_38368c80-2f39-4898-8d5f-93e8739d74b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 [2023-12-02 18:28:44,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:28:44,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:28:44,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:28:44,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:28:44,194 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:28:44,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-12-02 18:28:46,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:28:47,091 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:28:47,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-12-02 18:28:47,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/data/c7a827464/c0b53e3b75084d74b6744a11cc35cb2f/FLAGd04c483bf [2023-12-02 18:28:47,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/data/c7a827464/c0b53e3b75084d74b6744a11cc35cb2f [2023-12-02 18:28:47,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:28:47,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:28:47,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:28:47,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:28:47,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:28:47,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9267c25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47, skipping insertion in model container [2023-12-02 18:28:47,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,165 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:28:47,312 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_38368c80-2f39-4898-8d5f-93e8739d74b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-12-02 18:28:47,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:28:47,392 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:28:47,402 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_38368c80-2f39-4898-8d5f-93e8739d74b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-12-02 18:28:47,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:28:47,457 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:28:47,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47 WrapperNode [2023-12-02 18:28:47,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:28:47,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:28:47,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:28:47,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:28:47,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,518 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-12-02 18:28:47,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:28:47,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:28:47,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:28:47,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:28:47,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:28:47,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:28:47,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:28:47,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:28:47,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (1/1) ... [2023-12-02 18:28:47,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:28:47,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:28:47,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:28:47,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:28:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:28:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:28:47,638 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:28:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:28:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:28:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:28:47,748 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:28:47,750 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:28:48,118 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:28:48,431 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:28:48,431 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:28:48,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:28:48 BoogieIcfgContainer [2023-12-02 18:28:48,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:28:48,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:28:48,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:28:48,439 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:28:48,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:28:47" (1/3) ... [2023-12-02 18:28:48,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42287b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:28:48, skipping insertion in model container [2023-12-02 18:28:48,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:47" (2/3) ... [2023-12-02 18:28:48,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42287b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:28:48, skipping insertion in model container [2023-12-02 18:28:48,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:28:48" (3/3) ... [2023-12-02 18:28:48,442 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-12-02 18:28:48,461 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:28:48,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:28:48,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:28:48,518 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;@4f31a776, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:28:48,518 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:28:48,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 18:28:48,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-02 18:28:48,534 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:28:48,535 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:48,535 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:28:48,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:28:48,541 INFO L85 PathProgramCache]: Analyzing trace with hash -298966335, now seen corresponding path program 1 times [2023-12-02 18:28:48,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:28:48,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385638424] [2023-12-02 18:28:48,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:28:48,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:28:48,740 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:28:48,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1000885466] [2023-12-02 18:28:48,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:28:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:28:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:28:48,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:28:48,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:28:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:28:49,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:28:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:28:49,758 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:28:49,761 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:28:49,762 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:28:49,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:28:49,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:28:49,968 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:28:49,971 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:28:50,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:28:50 BoogieIcfgContainer [2023-12-02 18:28:50,069 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:28:50,070 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:28:50,070 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:28:50,070 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:28:50,071 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:28:48" (3/4) ... [2023-12-02 18:28:50,073 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:28:50,074 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:28:50,074 INFO L158 Benchmark]: Toolchain (without parser) took 2954.65ms. Allocated memory is still 190.8MB. Free memory was 160.6MB in the beginning and 115.8MB in the end (delta: 44.9MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-12-02 18:28:50,075 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:28:50,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.04ms. Allocated memory is still 190.8MB. Free memory was 160.6MB in the beginning and 145.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 18:28:50,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.40ms. Allocated memory is still 190.8MB. Free memory was 145.0MB in the beginning and 140.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:28:50,077 INFO L158 Benchmark]: Boogie Preprocessor took 47.28ms. Allocated memory is still 190.8MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:28:50,077 INFO L158 Benchmark]: RCFGBuilder took 865.16ms. Allocated memory is still 190.8MB. Free memory was 138.7MB in the beginning and 92.9MB in the end (delta: 45.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 18:28:50,078 INFO L158 Benchmark]: TraceAbstraction took 1633.95ms. Allocated memory is still 190.8MB. Free memory was 91.7MB in the beginning and 115.8MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:28:50,078 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 190.8MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:28:50,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory is still 96.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.04ms. Allocated memory is still 190.8MB. Free memory was 160.6MB in the beginning and 145.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.40ms. Allocated memory is still 190.8MB. Free memory was 145.0MB in the beginning and 140.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.28ms. Allocated memory is still 190.8MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 865.16ms. Allocated memory is still 190.8MB. Free memory was 138.7MB in the beginning and 92.9MB in the end (delta: 45.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1633.95ms. Allocated memory is still 190.8MB. Free memory was 91.7MB in the beginning and 115.8MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 190.8MB. Free memory is still 115.8MB. 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 someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of bitwiseOr at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 32; [L23] double var_1_2 = 32.25; [L24] double var_1_3 = 16.5; [L25] unsigned char var_1_4 = 10; [L26] unsigned char var_1_5 = 100; [L27] unsigned char var_1_6 = 1; [L28] signed char var_1_7 = -5; [L29] unsigned char var_1_8 = 0; [L30] signed char var_1_9 = -10; [L31] signed short int var_1_10 = 64; [L32] unsigned short int var_1_11 = 0; [L33] float var_1_12 = 64.75; [L34] double var_1_13 = 5.4; [L35] float var_1_14 = 5.625; [L36] unsigned long int var_1_15 = 32; [L37] unsigned long int var_1_16 = 4; [L38] unsigned long int var_1_19 = 1622847904; [L39] unsigned long int var_1_20 = 1667052813; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_24 = 0; [L42] unsigned char var_1_25 = 0; [L43] double var_1_26 = 0.4; [L44] signed long int var_1_28 = 1; [L45] signed long int var_1_30 = 64; [L46] double var_1_31 = 255.5; [L47] double var_1_32 = 1.625; [L48] float var_1_36 = 7.1; [L49] unsigned long int var_1_39 = 256; [L50] unsigned long int var_1_40 = 256; [L51] unsigned short int last_1_var_1_11 = 0; [L52] float last_1_var_1_12 = 64.75; [L53] unsigned long int last_1_var_1_15 = 32; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L177] last_1_var_1_11 = var_1_11 [L178] last_1_var_1_12 = var_1_12 [L179] last_1_var_1_15 = var_1_15 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L135] var_1_2 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=33/2, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_3=33/2, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L137] var_1_3 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=10, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L139] var_1_4 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L141] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=100, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L142] var_1_5 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_5 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_5 >= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L144] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=1, var_1_7=-5, var_1_8=0, var_1_9=-10] [L145] var_1_6 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_7=-5, var_1_8=0, var_1_9=-10] [L147] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=0, var_1_9=-10] [L148] var_1_8 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_9=-10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_9=-10] [L150] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-10] [L151] var_1_9 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_9 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_9 >= -63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L153] CALL assume_abort_if_not(var_1_9 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 <= 63) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_13=27/5, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L154] var_1_13 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L156] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=45/8, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L157] var_1_14 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=1622847904, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L159] var_1_19 = __VERIFIER_nondet_ulong() [L160] CALL assume_abort_if_not(var_1_19 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_19 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L161] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=1667052813, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L162] var_1_20 = __VERIFIER_nondet_ulong() [L163] CALL assume_abort_if_not(var_1_20 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_20 >= 1073741824) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L164] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L165] var_1_24 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L167] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=0, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L168] var_1_25 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L170] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_31=511/2, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L171] var_1_31 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_31 >= 0.0F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_32=13/8, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L173] var_1_32 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_15=32, var_1_16=4, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=0, var_1_24=0, var_1_25=1, var_1_26=2/5, var_1_28=1, var_1_30=64, var_1_36=71/10, var_1_39=256, var_1_40=256, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=-5, var_1_8=1, var_1_9=-61] [L190] RET updateVariables() [L191] CALL step() [L57] unsigned long int stepLocal_1 = var_1_6 - last_1_var_1_15; [L58] EXPR last_1_var_1_11 ^ last_1_var_1_15 [L58] COND FALSE !(stepLocal_1 < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) [L63] COND TRUE \read(var_1_8) [L64] COND FALSE !(16u > ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))) [L67] var_1_16 = var_1_20 [L70] COND TRUE ((var_1_31 - var_1_32) + (var_1_14 / var_1_13)) < ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L71] COND TRUE var_1_5 >= 10u [L72] COND TRUE \read(var_1_8) [L73] var_1_30 = (((((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) < 0 ) ? -((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) : ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) [L81] var_1_40 = var_1_19 [L82] COND TRUE (var_1_5 <= var_1_4) && var_1_8 [L83] COND TRUE \read(var_1_8) [L84] var_1_7 = (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))) [L95] COND TRUE \read(var_1_8) [L96] var_1_22 = (! (var_1_8 && var_1_24)) [L104] COND TRUE var_1_20 >= (var_1_5 / ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) [L105] var_1_26 = var_1_14 [L107] var_1_39 = var_1_19 [L108] COND TRUE 128 >= last_1_var_1_15 [L109] var_1_15 = (var_1_6 + (var_1_4 + var_1_11)) [L113] var_1_28 = var_1_4 [L114] COND FALSE !(var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) [L117] COND FALSE !(\read(var_1_24)) [L120] COND FALSE !((10.8 + var_1_12) <= (- var_1_12)) [L123] unsigned char stepLocal_0 = var_1_4; [L124] COND FALSE !(-4 >= stepLocal_0) [L131] var_1_10 = var_1_4 [L191] RET step() [L192] CALL, EXPR property() [L182] EXPR (((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1) [L182-L183] return (((((((10.8 + var_1_12) <= (- var_1_12)) ? (var_1_1 == ((unsigned char) (((((1) < (var_1_4)) ? (1) : (var_1_4))) + (var_1_5 - var_1_6)))) : 1) && (((var_1_5 <= var_1_4) && var_1_8) ? (var_1_8 ? (var_1_7 == ((signed char) (var_1_6 + ((((5) < (var_1_9)) ? (5) : (var_1_9)))))) : (var_1_7 == ((signed char) ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9)))))) : (((-8 * var_1_11) < var_1_4) ? (var_1_7 == ((signed char) 1)) : (var_1_7 == ((signed char) var_1_9))))) && ((-4 >= var_1_4) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((signed short int) (var_1_7 + var_1_6))) : (var_1_10 == ((signed short int) var_1_5))) : (var_1_10 == ((signed short int) var_1_4)))) && (((var_1_6 - last_1_var_1_15) < ((last_1_var_1_11 ^ last_1_var_1_15) / ((((-8) > (var_1_5)) ? (-8) : (var_1_5))))) ? ((last_1_var_1_12 == last_1_var_1_12) ? (var_1_11 == ((unsigned short int) last_1_var_1_15)) : 1) : 1)) && ((var_1_2 != (var_1_3 / ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? (var_1_12 == ((float) var_1_14)) : 1)) && ((128 >= last_1_var_1_15) ? (var_1_15 == ((unsigned long int) (var_1_6 + (var_1_4 + var_1_11)))) : (var_1_15 == ((unsigned long int) var_1_7))) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=2, var_1_15=125, var_1_16=2147483647, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=1, var_1_24=0, var_1_25=1, var_1_26=2, var_1_28=64, var_1_30=0, var_1_36=71/10, var_1_39=2147483647, var_1_40=2147483647, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=0, var_1_8=1, var_1_9=-61] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=0, last_1_var_1_12=259/4, last_1_var_1_15=32, var_1_10=64, var_1_11=0, var_1_12=259/4, var_1_14=2, var_1_15=125, var_1_16=2147483647, var_1_19=2147483647, var_1_1=32, var_1_20=2147483647, var_1_22=1, var_1_24=0, var_1_25=1, var_1_26=2, var_1_28=64, var_1_30=0, var_1_36=71/10, var_1_39=2147483647, var_1_40=2147483647, var_1_4=64, var_1_5=64, var_1_6=61, var_1_7=0, var_1_8=1, var_1_9=-61] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 25, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 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 18:28:50,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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_38368c80-2f39-4898-8d5f-93e8739d74b0/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 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:28:52,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:28:52,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:28:52,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:28:52,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:28:52,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:28:52,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:28:52,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:28:52,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:28:52,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:28:52,139 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:28:52,139 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:28:52,140 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:28:52,140 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:28:52,141 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:28:52,141 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:28:52,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:28:52,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:28:52,143 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:28:52,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:28:52,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:28:52,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:28:52,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:28:52,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:28:52,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:28:52,147 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:28:52,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:28:52,148 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:28:52,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:28:52,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:28:52,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:28:52,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:28:52,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:28:52,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:28:52,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:28:52,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:28:52,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:28:52,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:28:52,151 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:28:52,151 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:28:52,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:28:52,152 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:28:52,152 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:28:52,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:28:52,152 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_38368c80-2f39-4898-8d5f-93e8739d74b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ecd9f27c7eddb672dd3b56c4cfb64ec494cf273e23672d850625b14b107c83 [2023-12-02 18:28:52,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:28:52,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:28:52,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:28:52,476 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:28:52,476 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:28:52,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-12-02 18:28:55,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:28:55,459 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:28:55,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-12-02 18:28:55,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/data/50c07abcc/da2fe23c41da4f2abc24aeb031d621ee/FLAG927cb7d36 [2023-12-02 18:28:55,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/data/50c07abcc/da2fe23c41da4f2abc24aeb031d621ee [2023-12-02 18:28:55,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:28:55,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:28:55,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:28:55,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:28:55,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:28:55,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19fb47ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55, skipping insertion in model container [2023-12-02 18:28:55,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,525 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:28:55,649 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_38368c80-2f39-4898-8d5f-93e8739d74b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-12-02 18:28:55,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:28:55,729 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:28:55,739 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_38368c80-2f39-4898-8d5f-93e8739d74b0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i[919,932] [2023-12-02 18:28:55,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:28:55,792 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:28:55,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55 WrapperNode [2023-12-02 18:28:55,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:28:55,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:28:55,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:28:55,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:28:55,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,852 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-12-02 18:28:55,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:28:55,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:28:55,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:28:55,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:28:55,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:28:55,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:28:55,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:28:55,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:28:55,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (1/1) ... [2023-12-02 18:28:55,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:28:55,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:28:55,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:28:55,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:28:55,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:28:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:28:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:28:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:28:55,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:28:55,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:28:56,057 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:28:56,059 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:29:09,598 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:29:09,641 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:29:09,641 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:29:09,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:29:09 BoogieIcfgContainer [2023-12-02 18:29:09,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:29:09,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:29:09,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:29:09,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:29:09,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:28:55" (1/3) ... [2023-12-02 18:29:09,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6177d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:29:09, skipping insertion in model container [2023-12-02 18:29:09,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:28:55" (2/3) ... [2023-12-02 18:29:09,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6177d67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:29:09, skipping insertion in model container [2023-12-02 18:29:09,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:29:09" (3/3) ... [2023-12-02 18:29:09,651 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-95.i [2023-12-02 18:29:09,666 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:29:09,666 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:29:09,705 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:29:09,710 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;@23c49362, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:29:09,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:29:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 48 states have (on average 1.5) internal successors, (72), 49 states have internal predecessors, (72), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 18:29:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 18:29:09,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:29:09,730 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:09,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:29:09,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:29:09,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1054986447, now seen corresponding path program 1 times [2023-12-02 18:29:09,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:29:09,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960334564] [2023-12-02 18:29:09,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:29:09,747 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 18:29:09,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:29:09,749 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:09,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:29:11,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:29:11,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:29:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-12-02 18:29:11,608 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:29:11,609 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:29:11,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960334564] [2023-12-02 18:29:11,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960334564] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:29:11,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:29:11,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:29:11,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118907849] [2023-12-02 18:29:11,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:29:11,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:29:11,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:29:11,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:29:11,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:29:11,644 INFO L87 Difference]: Start difference. First operand has 76 states, 48 states have (on average 1.5) internal successors, (72), 49 states have internal predecessors, (72), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 18:29:14,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:29:14,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:29:14,493 INFO L93 Difference]: Finished difference Result 148 states and 265 transitions. [2023-12-02 18:29:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:29:14,706 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2023-12-02 18:29:14,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:29:14,713 INFO L225 Difference]: With dead ends: 148 [2023-12-02 18:29:14,713 INFO L226 Difference]: Without dead ends: 73 [2023-12-02 18:29:14,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 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 18:29:14,720 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 18:29:14,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 18:29:14,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-02 18:29:14,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-12-02 18:29:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 46 states have (on average 1.391304347826087) internal successors, (64), 46 states have internal predecessors, (64), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-02 18:29:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 114 transitions. [2023-12-02 18:29:14,762 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 114 transitions. Word has length 161 [2023-12-02 18:29:14,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:29:14,763 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 114 transitions. [2023-12-02 18:29:14,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-12-02 18:29:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2023-12-02 18:29:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 18:29:14,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:29:14,768 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:14,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:14,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:14,969 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:29:14,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:29:14,970 INFO L85 PathProgramCache]: Analyzing trace with hash -185015207, now seen corresponding path program 1 times [2023-12-02 18:29:14,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:29:14,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1301758457] [2023-12-02 18:29:14,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:29:14,971 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 18:29:14,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:29:14,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:14,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:29:16,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 18:29:16,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:29:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-12-02 18:29:16,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:29:16,923 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:29:16,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1301758457] [2023-12-02 18:29:16,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1301758457] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:29:16,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:29:16,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:29:16,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553235233] [2023-12-02 18:29:16,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:29:16,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:29:16,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:29:16,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:29:16,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:29:16,929 INFO L87 Difference]: Start difference. First operand 73 states and 114 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 18:29:19,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:29:21,882 WARN L539 Checker$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 18:29:23,888 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 18:29:24,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:29:24,126 INFO L93 Difference]: Finished difference Result 184 states and 284 transitions. [2023-12-02 18:29:24,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:29:24,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 161 [2023-12-02 18:29:24,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:29:24,131 INFO L225 Difference]: With dead ends: 184 [2023-12-02 18:29:24,131 INFO L226 Difference]: Without dead ends: 112 [2023-12-02 18:29:24,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 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 18:29:24,134 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 53 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:29:24,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 222 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 7.2s Time] [2023-12-02 18:29:24,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-12-02 18:29:24,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2023-12-02 18:29:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 73 states have (on average 1.36986301369863) internal successors, (100), 74 states have internal predecessors, (100), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 18:29:24,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 166 transitions. [2023-12-02 18:29:24,157 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 166 transitions. Word has length 161 [2023-12-02 18:29:24,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:29:24,158 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 166 transitions. [2023-12-02 18:29:24,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-12-02 18:29:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 166 transitions. [2023-12-02 18:29:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:29:24,162 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:29:24,163 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:29:24,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:24,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:24,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:29:24,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:29:24,368 INFO L85 PathProgramCache]: Analyzing trace with hash -2035359379, now seen corresponding path program 1 times [2023-12-02 18:29:24,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:29:24,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645614891] [2023-12-02 18:29:24,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:29:24,370 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 18:29:24,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:29:24,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:24,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:29:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:29:26,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 18:29:26,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:29:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 384 proven. 12 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-12-02 18:29:27,260 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:29:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-12-02 18:29:28,253 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:29:28,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645614891] [2023-12-02 18:29:28,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645614891] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:29:28,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [246740271] [2023-12-02 18:29:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:29:28,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:29:28,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:29:28,256 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:29:28,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 18:29:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:29:31,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 18:29:31,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:29:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 352 proven. 60 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-12-02 18:29:34,065 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:29:34,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [246740271] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:29:34,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887060921] [2023-12-02 18:29:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:29:34,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:29:34,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:29:34,626 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:29:34,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 18:29:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:29:38,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:29:38,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:29:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 374 proven. 114 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2023-12-02 18:29:42,557 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:29:42,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887060921] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:29:42,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-12-02 18:29:42,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 6, 9] total 13 [2023-12-02 18:29:42,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227299976] [2023-12-02 18:29:42,788 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-12-02 18:29:42,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-02 18:29:42,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:29:42,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-02 18:29:42,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-12-02 18:29:42,792 INFO L87 Difference]: Start difference. First operand 109 states and 166 transitions. Second operand has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 4 states have call successors, (68), 4 states have call predecessors, (68), 7 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2023-12-02 18:29:52,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:29:54,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:29:56,611 WARN L539 Checker$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 18:29:58,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:30:00,643 WARN L539 Checker$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 18:30:02,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:30:04,671 WARN L539 Checker$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 18:30:06,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:30:08,695 WARN L539 Checker$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 18:30:10,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:30:12,702 WARN L539 Checker$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 18:30:14,709 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 18:30:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:30:15,066 INFO L93 Difference]: Finished difference Result 299 states and 429 transitions. [2023-12-02 18:30:15,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 18:30:15,068 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 4 states have call successors, (68), 4 states have call predecessors, (68), 7 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) Word has length 162 [2023-12-02 18:30:15,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:30:15,071 INFO L225 Difference]: With dead ends: 299 [2023-12-02 18:30:15,071 INFO L226 Difference]: Without dead ends: 191 [2023-12-02 18:30:15,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 705 GetRequests, 676 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2023-12-02 18:30:15,074 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 254 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 111 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:30:15,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 279 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 423 Invalid, 12 Unknown, 0 Unchecked, 30.7s Time] [2023-12-02 18:30:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-12-02 18:30:15,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 181. [2023-12-02 18:30:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 134 states have (on average 1.291044776119403) internal successors, (173), 137 states have internal predecessors, (173), 37 states have call successors, (37), 9 states have call predecessors, (37), 9 states have return successors, (37), 34 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 18:30:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 247 transitions. [2023-12-02 18:30:15,098 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 247 transitions. Word has length 162 [2023-12-02 18:30:15,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:30:15,100 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 247 transitions. [2023-12-02 18:30:15,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 4 states have call successors, (68), 4 states have call predecessors, (68), 7 states have return successors, (71), 4 states have call predecessors, (71), 4 states have call successors, (71) [2023-12-02 18:30:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 247 transitions. [2023-12-02 18:30:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 18:30:15,104 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:30:15,104 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:30:15,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:30:15,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 18:30:15,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 18:30:15,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:30:15,716 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:30:15,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:30:15,716 INFO L85 PathProgramCache]: Analyzing trace with hash -834341137, now seen corresponding path program 1 times [2023-12-02 18:30:15,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:30:15,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748752784] [2023-12-02 18:30:15,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:30:15,717 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 18:30:15,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:30:15,718 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/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 18:30:15,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38368c80-2f39-4898-8d5f-93e8739d74b0/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 18:30:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:30:24,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 18:30:24,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:31:59,885 WARN L293 SmtUtils]: Spent 17.93s on a formula simplification. DAG size of input: 64 DAG size of output: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:33:16,693 WARN L293 SmtUtils]: Spent 16.79s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)