./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.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_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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_35f4bc76-a374-4424-9b71-db717220832a/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 b80f3f9a0690b8b137c3e78a4bda741a5ebccde814b37d3c17d2da8a165237b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:08:39,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:08:39,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:08:39,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:08:39,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:08:39,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:08:39,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:08:39,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:08:39,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:08:39,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:08:39,514 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:08:39,514 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:08:39,515 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:08:39,515 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:08:39,515 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:08:39,516 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:08:39,516 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:08:39,517 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:08:39,517 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:08:39,518 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:08:39,518 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:08:39,522 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:08:39,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:08:39,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:08:39,524 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:08:39,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:08:39,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:08:39,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:08:39,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:08:39,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:08:39,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:08:39,526 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:08:39,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:08:39,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:08:39,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:08:39,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:08:39,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:08:39,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:08:39,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:08:39,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:08:39,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:08:39,529 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:08:39,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:08:39,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:08:39,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:08:39,529 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:08:39,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:08:39,530 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_35f4bc76-a374-4424-9b71-db717220832a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b80f3f9a0690b8b137c3e78a4bda741a5ebccde814b37d3c17d2da8a165237b2 [2023-12-02 19:08:39,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:08:39,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:08:39,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:08:39,775 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:08:39,775 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:08:39,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i [2023-12-02 19:08:42,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:08:42,781 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:08:42,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i [2023-12-02 19:08:42,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/data/6ce5125c5/022ebc40c49f4b62b145597ac7a07b07/FLAGad31d6bc8 [2023-12-02 19:08:42,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/data/6ce5125c5/022ebc40c49f4b62b145597ac7a07b07 [2023-12-02 19:08:42,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:08:42,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:08:42,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:08:42,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:08:42,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:08:42,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:08:42" (1/1) ... [2023-12-02 19:08:42,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27f1880a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:42, skipping insertion in model container [2023-12-02 19:08:42,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:08:42" (1/1) ... [2023-12-02 19:08:42,852 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:08:42,999 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_35f4bc76-a374-4424-9b71-db717220832a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i[919,932] [2023-12-02 19:08:43,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:08:43,089 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:08:43,102 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_35f4bc76-a374-4424-9b71-db717220832a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i[919,932] [2023-12-02 19:08:43,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:08:43,161 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:08:43,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43 WrapperNode [2023-12-02 19:08:43,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:08:43,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:08:43,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:08:43,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:08:43,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,231 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 220 [2023-12-02 19:08:43,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:08:43,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:08:43,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:08:43,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:08:43,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:08:43,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:08:43,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:08:43,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:08:43,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (1/1) ... [2023-12-02 19:08:43,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:08:43,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:08:43,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:08:43,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:08:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:08:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:08:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:08:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:08:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:08:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:08:43,474 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:08:43,476 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:08:43,885 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:08:44,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:08:44,161 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:08:44,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:08:44 BoogieIcfgContainer [2023-12-02 19:08:44,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:08:44,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:08:44,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:08:44,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:08:44,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:08:42" (1/3) ... [2023-12-02 19:08:44,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ec3e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:08:44, skipping insertion in model container [2023-12-02 19:08:44,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:43" (2/3) ... [2023-12-02 19:08:44,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61ec3e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:08:44, skipping insertion in model container [2023-12-02 19:08:44,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:08:44" (3/3) ... [2023-12-02 19:08:44,171 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i [2023-12-02 19:08:44,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:08:44,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:08:44,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:08:44,232 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;@ee174c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:08:44,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:08:44,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 19:08:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 19:08:44,246 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:08:44,247 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:44,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:08:44,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:08:44,252 INFO L85 PathProgramCache]: Analyzing trace with hash 652919744, now seen corresponding path program 1 times [2023-12-02 19:08:44,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:08:44,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931155603] [2023-12-02 19:08:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:08:44,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:08:44,407 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 19:08:44,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176755458] [2023-12-02 19:08:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:08:44,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 19:08:44,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:08:44,414 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 19:08:44,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 19:08:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:08:44,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:08:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:08:45,059 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:08:45,061 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:08:45,062 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:08:45,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:08:45,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 19:08:45,269 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 19:08:45,271 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:08:45,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:08:45 BoogieIcfgContainer [2023-12-02 19:08:45,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:08:45,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:08:45,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:08:45,375 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:08:45,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:08:44" (3/4) ... [2023-12-02 19:08:45,377 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:08:45,378 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:08:45,379 INFO L158 Benchmark]: Toolchain (without parser) took 2570.69ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 92.1MB in the beginning and 91.1MB in the end (delta: 949.9kB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2023-12-02 19:08:45,379 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:08:45,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.86ms. Allocated memory is still 132.1MB. Free memory was 91.7MB in the beginning and 75.7MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 19:08:45,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.41ms. Allocated memory is still 132.1MB. Free memory was 75.7MB in the beginning and 70.1MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:08:45,381 INFO L158 Benchmark]: Boogie Preprocessor took 53.26ms. Allocated memory is still 132.1MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 19:08:45,382 INFO L158 Benchmark]: RCFGBuilder took 876.62ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 67.3MB in the beginning and 147.6MB in the end (delta: -80.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-12-02 19:08:45,382 INFO L158 Benchmark]: TraceAbstraction took 1208.61ms. Allocated memory is still 182.5MB. Free memory was 146.7MB in the beginning and 91.1MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-12-02 19:08:45,383 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 182.5MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:08:45,386 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.86ms. Allocated memory is still 132.1MB. Free memory was 91.7MB in the beginning and 75.7MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.41ms. Allocated memory is still 132.1MB. Free memory was 75.7MB in the beginning and 70.1MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.26ms. Allocated memory is still 132.1MB. Free memory was 70.1MB in the beginning and 67.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 876.62ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 67.3MB in the beginning and 147.6MB in the end (delta: -80.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1208.61ms. Allocated memory is still 182.5MB. Free memory was 146.7MB in the beginning and 91.1MB in the end (delta: 55.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 182.5MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 192, overapproximation of bitwiseOr at line 94, overapproximation of shiftRight at line 130, overapproximation of someUnaryDOUBLEoperation at line 107, overapproximation of someBinaryArithmeticDOUBLEoperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 50; [L26] unsigned char var_1_8 = 0; [L27] double var_1_9 = 127.625; [L28] double var_1_10 = 256.8; [L29] double var_1_11 = 0.30000000000000004; [L30] signed long int var_1_12 = -2; [L31] double var_1_13 = 2.475; [L32] double var_1_14 = 25.2; [L33] double var_1_15 = 500.125; [L34] double var_1_16 = 10.75; [L35] double var_1_17 = 255.4; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 100; [L39] unsigned char var_1_21 = 128; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_23 = 1; [L42] unsigned char var_1_24 = 8; [L43] unsigned char var_1_25 = 10; [L44] float var_1_26 = 16.8; [L45] unsigned long int var_1_27 = 64; [L46] unsigned long int var_1_28 = 256; [L47] double var_1_32 = 255.5; [L48] signed long int var_1_36 = 4; [L49] double var_1_38 = 63.6; [L50] double var_1_40 = 0.0; [L51] signed short int var_1_42 = 128; [L52] unsigned char var_1_45 = 0; [L53] unsigned char var_1_48 = 0; [L54] float var_1_49 = 256.5; [L55] unsigned long int var_1_50 = 100; [L56] double var_1_51 = 63.5; [L57] unsigned char var_1_52 = 50; [L58] unsigned char last_1_var_1_18 = 1; [L59] unsigned char last_1_var_1_20 = 100; [L196] isInitial = 1 [L197] FCALL initially() [L198] COND TRUE 1 [L199] CALL updateLastVariables() [L188] last_1_var_1_18 = var_1_18 [L189] last_1_var_1_20 = var_1_20 [L199] RET updateLastVariables() [L200] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L143] var_1_3 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L145] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L146] var_1_8 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_9=1021/8] [L148] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L149] var_1_10 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L151] var_1_11 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L153] var_1_13 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_13 >= 0.0F && 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_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_13 >= 0.0F && 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_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L155] var_1_14 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L157] var_1_15 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L159] var_1_16 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L161] var_1_17 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L163] var_1_19 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L165] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L166] var_1_21 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L168] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L169] var_1_22 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L171] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L172] var_1_23 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L174] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L175] var_1_24 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L177] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L178] var_1_25 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L180] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L181] var_1_40 = __VERIFIER_nondet_double() [L182] CALL assume_abort_if_not((var_1_40 >= 4611686.018427382800e+12F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_40 >= 4611686.018427382800e+12F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L183] var_1_48 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_48 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_42=128, var_1_45=0, var_1_48=1, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_48 >= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_42=128, var_1_45=0, var_1_48=1, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L185] CALL assume_abort_if_not(var_1_48 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_42=128, var_1_45=0, var_1_48=1, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_48 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=1, var_1_42=128, var_1_45=0, var_1_48=1, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=4, var_1_9=1021/8] [L200] RET updateVariables() [L201] CALL step() [L63] signed long int stepLocal_1 = last_1_var_1_20; [L64] unsigned char stepLocal_0 = last_1_var_1_18; [L65] COND TRUE stepLocal_0 && last_1_var_1_18 [L66] COND FALSE !(((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > stepLocal_1) [L69] var_1_7 = var_1_8 [L74] COND TRUE \read(var_1_3) [L75] COND TRUE \read(var_1_2) [L76] var_1_18 = (! var_1_19) [L79] var_1_36 = (((((var_1_8) > (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) ? (var_1_8) : (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))) + var_1_7) [L80] COND TRUE 0.83f > var_1_10 [L81] COND TRUE (var_1_8 + ((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27)))) <= var_1_23 [L82] var_1_49 = var_1_10 [L87] var_1_26 = var_1_16 [L88] COND TRUE (var_1_25 - var_1_23) <= var_1_8 [L89] var_1_28 = var_1_23 [L91] var_1_32 = ((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_16)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_16))) [L92] var_1_50 = var_1_8 [L93] var_1_27 = 10u [L94] EXPR (var_1_8 * var_1_24) | var_1_7 [L94] COND FALSE !(((var_1_8 * var_1_24) | var_1_7) <= (var_1_7 + 8u)) [L101] var_1_51 = var_1_11 [L102] var_1_52 = var_1_8 [L103] unsigned long int stepLocal_2 = var_1_27; [L104] COND TRUE stepLocal_2 != (var_1_8 + var_1_7) [L105] var_1_9 = ((((var_1_10) < (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6))))) ? (var_1_10) : (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6)))))) [L109] COND TRUE var_1_8 >= var_1_7 [L110] COND TRUE var_1_15 >= var_1_26 [L111] var_1_20 = (var_1_21 - ((((((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) > (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) ? (((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) : (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))) [L118] COND TRUE ! (var_1_11 >= (var_1_16 - var_1_40)) [L119] var_1_42 = (((((var_1_24 - 256)) < (var_1_24)) ? ((var_1_24 - 256)) : (var_1_24))) [L121] COND TRUE \read(var_1_18) [L122] COND FALSE !(! var_1_18) [L125] var_1_1 = (var_1_20 - var_1_20) [L130] EXPR -10 >> var_1_20 [L130] COND TRUE 256 > (-10 >> var_1_20) [L131] var_1_38 = (var_1_16 - (((((var_1_40 - 128.375)) < (var_1_17)) ? ((var_1_40 - 128.375)) : (var_1_17)))) [L135] COND TRUE (var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17)) [L136] var_1_12 = (var_1_20 + var_1_20) [L201] RET step() [L202] CALL, EXPR property() [L192-L193] return (((((((var_1_18 ? ((! var_1_18) ? (var_1_1 == ((signed short int) (var_1_7 + 5))) : (var_1_1 == ((signed short int) (var_1_20 - var_1_20)))) : (var_1_1 == ((signed short int) var_1_20))) && ((last_1_var_1_18 && last_1_var_1_18) ? ((((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > last_1_var_1_20) ? (var_1_7 == ((unsigned char) var_1_8)) : (var_1_7 == ((unsigned char) var_1_8))) : (var_1_7 == ((unsigned char) var_1_8)))) && ((var_1_27 != (var_1_8 + var_1_7)) ? (var_1_9 == ((double) ((((var_1_10) < (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6))))) ? (var_1_10) : (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6)))))))) : (var_1_9 == ((double) ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))))))) && (((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) ? (var_1_12 == ((signed long int) (var_1_20 + var_1_20))) : 1)) && (var_1_3 ? (var_1_2 ? (var_1_18 == ((unsigned char) (! var_1_19))) : 1) : 1)) && ((var_1_8 >= var_1_7) ? ((var_1_15 >= var_1_26) ? (var_1_20 == ((unsigned char) (var_1_21 - ((((((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) > (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) ? (((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) : (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))))) : (var_1_20 == ((unsigned char) var_1_24))) : (var_1_20 == ((unsigned char) var_1_22)))) && (var_1_26 == ((float) var_1_16))) && (var_1_27 == ((unsigned long int) 10u)) ; [L202] RET, EXPR property() [L202] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=4, var_1_11=2, var_1_12=0, var_1_16=3, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=3, var_1_27=10, var_1_28=127, var_1_2=1, var_1_32=3, var_1_36=8, var_1_38=0, var_1_3=1, var_1_42=-129, var_1_45=0, var_1_48=1, var_1_49=4, var_1_50=4, var_1_51=2, var_1_52=4, var_1_7=4, var_1_8=4, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=4, var_1_11=2, var_1_12=0, var_1_16=3, var_1_17=0, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=127, var_1_22=1, var_1_23=127, var_1_24=127, var_1_25=127, var_1_26=3, var_1_27=10, var_1_28=127, var_1_2=1, var_1_32=3, var_1_36=8, var_1_38=0, var_1_3=1, var_1_42=-129, var_1_45=0, var_1_48=1, var_1_49=4, var_1_50=4, var_1_51=2, var_1_52=4, var_1_7=4, var_1_8=4, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, 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=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 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 19:08:45,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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_35f4bc76-a374-4424-9b71-db717220832a/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 b80f3f9a0690b8b137c3e78a4bda741a5ebccde814b37d3c17d2da8a165237b2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:08:47,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:08:47,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:08:47,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:08:47,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:08:47,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:08:47,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:08:47,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:08:47,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:08:47,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:08:47,485 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:08:47,485 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:08:47,486 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:08:47,486 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:08:47,487 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:08:47,488 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:08:47,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:08:47,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:08:47,490 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:08:47,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:08:47,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:08:47,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:08:47,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:08:47,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:08:47,493 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:08:47,494 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:08:47,494 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:08:47,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:08:47,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:08:47,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:08:47,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:08:47,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:08:47,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:08:47,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:08:47,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:08:47,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:08:47,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:08:47,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:08:47,497 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:08:47,498 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:08:47,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:08:47,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:08:47,499 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:08:47,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:08:47,499 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_35f4bc76-a374-4424-9b71-db717220832a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b80f3f9a0690b8b137c3e78a4bda741a5ebccde814b37d3c17d2da8a165237b2 [2023-12-02 19:08:47,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:08:47,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:08:47,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:08:47,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:08:47,860 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:08:47,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i [2023-12-02 19:08:50,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:08:50,881 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:08:50,882 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i [2023-12-02 19:08:50,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/data/88ca38ed2/9e9fd3e39df3472b9854a5f70c079b2a/FLAG56a16b9b1 [2023-12-02 19:08:50,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/data/88ca38ed2/9e9fd3e39df3472b9854a5f70c079b2a [2023-12-02 19:08:50,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:08:50,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:08:50,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:08:50,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:08:50,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:08:50,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:08:50" (1/1) ... [2023-12-02 19:08:50,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6a137f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:50, skipping insertion in model container [2023-12-02 19:08:50,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:08:50" (1/1) ... [2023-12-02 19:08:50,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:08:51,106 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_35f4bc76-a374-4424-9b71-db717220832a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i[919,932] [2023-12-02 19:08:51,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:08:51,195 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:08:51,208 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_35f4bc76-a374-4424-9b71-db717220832a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i[919,932] [2023-12-02 19:08:51,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:08:51,268 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:08:51,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51 WrapperNode [2023-12-02 19:08:51,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:08:51,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:08:51,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:08:51,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:08:51,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,325 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2023-12-02 19:08:51,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:08:51,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:08:51,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:08:51,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:08:51,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:08:51,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:08:51,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:08:51,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:08:51,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (1/1) ... [2023-12-02 19:08:51,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:08:51,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:08:51,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:08:51,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:08:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:08:51,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:08:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 19:08:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 19:08:51,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:08:51,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:08:51,583 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:08:51,586 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:08:57,983 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:08:58,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:08:58,023 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 19:08:58,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:08:58 BoogieIcfgContainer [2023-12-02 19:08:58,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:08:58,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:08:58,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:08:58,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:08:58,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:08:50" (1/3) ... [2023-12-02 19:08:58,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5afe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:08:58, skipping insertion in model container [2023-12-02 19:08:58,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:08:51" (2/3) ... [2023-12-02 19:08:58,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5afe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:08:58, skipping insertion in model container [2023-12-02 19:08:58,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:08:58" (3/3) ... [2023-12-02 19:08:58,033 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-79.i [2023-12-02 19:08:58,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:08:58,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:08:58,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:08:58,111 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;@2675c73a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:08:58,111 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:08:58,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 19:08:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-12-02 19:08:58,129 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:08:58,129 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:58,130 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:08:58,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:08:58,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2015241904, now seen corresponding path program 1 times [2023-12-02 19:08:58,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:08:58,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15975004] [2023-12-02 19:08:58,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:08:58,150 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 19:08:58,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:08:58,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:08:58,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:08:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:08:58,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:08:58,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:08:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2023-12-02 19:08:58,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:08:58,820 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:08:58,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15975004] [2023-12-02 19:08:58,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15975004] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:08:58,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:08:58,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:08:58,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037799390] [2023-12-02 19:08:58,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:08:58,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:08:58,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:08:58,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:08:58,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:08:58,860 INFO L87 Difference]: Start difference. First operand has 80 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 50 states have internal predecessors, (71), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-02 19:09:01,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:09:01,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:09:01,020 INFO L93 Difference]: Finished difference Result 157 states and 280 transitions. [2023-12-02 19:09:01,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:09:01,050 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 178 [2023-12-02 19:09:01,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:09:01,058 INFO L225 Difference]: With dead ends: 157 [2023-12-02 19:09:01,058 INFO L226 Difference]: Without dead ends: 78 [2023-12-02 19:09:01,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 177 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 19:09:01,065 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:09:01,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 19:09:01,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-02 19:09:01,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-12-02 19:09:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 19:09:01,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 121 transitions. [2023-12-02 19:09:01,123 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 121 transitions. Word has length 178 [2023-12-02 19:09:01,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:09:01,123 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 121 transitions. [2023-12-02 19:09:01,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-02 19:09:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 121 transitions. [2023-12-02 19:09:01,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-12-02 19:09:01,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:09:01,128 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:01,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:01,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:01,329 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:09:01,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:09:01,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1728351454, now seen corresponding path program 1 times [2023-12-02 19:09:01,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:09:01,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007568928] [2023-12-02 19:09:01,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:09:01,332 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 19:09:01,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:09:01,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:01,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:09:01,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:09:02,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:09:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-02 19:09:02,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:09:02,778 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:09:02,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007568928] [2023-12-02 19:09:02,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2007568928] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:09:02,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:09:02,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:09:02,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727913240] [2023-12-02 19:09:02,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:09:02,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:09:02,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:09:02,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:09:02,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:09:02,784 INFO L87 Difference]: Start difference. First operand 78 states and 121 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 19:09:05,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:09:07,430 WARN L539 Checker$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 19:09:09,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:09:11,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:09:11,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:09:11,808 INFO L93 Difference]: Finished difference Result 255 states and 396 transitions. [2023-12-02 19:09:11,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:09:11,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 178 [2023-12-02 19:09:11,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:09:11,841 INFO L225 Difference]: With dead ends: 255 [2023-12-02 19:09:11,841 INFO L226 Difference]: Without dead ends: 178 [2023-12-02 19:09:11,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:09:11,844 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 196 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 59 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-12-02 19:09:11,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 366 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 76 Invalid, 4 Unknown, 0 Unchecked, 8.9s Time] [2023-12-02 19:09:11,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-02 19:09:11,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 153. [2023-12-02 19:09:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-02 19:09:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 237 transitions. [2023-12-02 19:09:11,891 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 237 transitions. Word has length 178 [2023-12-02 19:09:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:09:11,892 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 237 transitions. [2023-12-02 19:09:11,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 19:09:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 237 transitions. [2023-12-02 19:09:11,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 19:09:11,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:09:11,897 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:11,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:12,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:12,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:09:12,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:09:12,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2055299926, now seen corresponding path program 1 times [2023-12-02 19:09:12,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:09:12,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454217639] [2023-12-02 19:09:12,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:09:12,104 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 19:09:12,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:09:12,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:12,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:09:12,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 19:09:12,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:09:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-02 19:09:13,482 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:09:13,483 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:09:13,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454217639] [2023-12-02 19:09:13,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454217639] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:09:13,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:09:13,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:09:13,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515657758] [2023-12-02 19:09:13,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:09:13,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:09:13,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:09:13,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:09:13,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:09:13,487 INFO L87 Difference]: Start difference. First operand 153 states and 237 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 19:09:16,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:09:18,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:09:20,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:09:22,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:09:22,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:09:22,225 INFO L93 Difference]: Finished difference Result 404 states and 625 transitions. [2023-12-02 19:09:22,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 19:09:22,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2023-12-02 19:09:22,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:09:22,257 INFO L225 Difference]: With dead ends: 404 [2023-12-02 19:09:22,257 INFO L226 Difference]: Without dead ends: 252 [2023-12-02 19:09:22,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:09:22,260 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 84 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 57 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-12-02 19:09:22,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 401 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 79 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2023-12-02 19:09:22,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2023-12-02 19:09:22,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 206. [2023-12-02 19:09:22,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 118 states have internal predecessors, (149), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-12-02 19:09:22,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 317 transitions. [2023-12-02 19:09:22,306 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 317 transitions. Word has length 180 [2023-12-02 19:09:22,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:09:22,307 INFO L495 AbstractCegarLoop]: Abstraction has 206 states and 317 transitions. [2023-12-02 19:09:22,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 19:09:22,307 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 317 transitions. [2023-12-02 19:09:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 19:09:22,311 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:09:22,311 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:22,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:22,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:22,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:09:22,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:09:22,518 INFO L85 PathProgramCache]: Analyzing trace with hash 366356184, now seen corresponding path program 1 times [2023-12-02 19:09:22,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:09:22,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160304822] [2023-12-02 19:09:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:09:22,519 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 19:09:22,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:09:22,520 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:22,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 19:09:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:09:23,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 19:09:23,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:09:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-02 19:09:23,197 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:09:23,197 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:09:23,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160304822] [2023-12-02 19:09:23,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160304822] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:09:23,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:09:23,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 19:09:23,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247613822] [2023-12-02 19:09:23,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:09:23,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 19:09:23,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:09:23,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 19:09:23,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 19:09:23,200 INFO L87 Difference]: Start difference. First operand 206 states and 317 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 19:09:25,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:09:25,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:09:25,588 INFO L93 Difference]: Finished difference Result 366 states and 559 transitions. [2023-12-02 19:09:25,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 19:09:25,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 180 [2023-12-02 19:09:25,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:09:25,592 INFO L225 Difference]: With dead ends: 366 [2023-12-02 19:09:25,592 INFO L226 Difference]: Without dead ends: 214 [2023-12-02 19:09:25,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 178 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 19:09:25,594 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 41 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 19:09:25,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 190 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 19:09:25,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-12-02 19:09:25,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2023-12-02 19:09:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 124 states have (on average 1.2338709677419355) internal successors, (153), 124 states have internal predecessors, (153), 84 states have call successors, (84), 5 states have call predecessors, (84), 5 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-12-02 19:09:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 321 transitions. [2023-12-02 19:09:25,635 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 321 transitions. Word has length 180 [2023-12-02 19:09:25,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:09:25,636 INFO L495 AbstractCegarLoop]: Abstraction has 214 states and 321 transitions. [2023-12-02 19:09:25,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 19:09:25,636 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 321 transitions. [2023-12-02 19:09:25,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-02 19:09:25,640 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:09:25,640 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:25,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-02 19:09:25,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:25,841 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:09:25,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:09:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1208293870, now seen corresponding path program 1 times [2023-12-02 19:09:25,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:09:25,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1425184641] [2023-12-02 19:09:25,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:09:25,842 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 19:09:25,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:09:25,843 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/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 19:09:25,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35f4bc76-a374-4424-9b71-db717220832a/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 19:09:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:09:26,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 19:09:26,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:11:22,133 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:13:02,602 WARN L293 SmtUtils]: Spent 8.65s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 19:14:22,701 WARN L293 SmtUtils]: Spent 12.05s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)