./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ --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 e2c2c1e156c7b32dd0b6f1a32bd98b0c410c15445b7e57bb9735089c776b1530 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:54:57,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:54:57,152 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:54:57,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:54:57,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:54:57,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:54:57,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:54:57,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:54:57,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:54:57,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:54:57,212 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:54:57,212 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:54:57,213 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:54:57,215 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:54:57,215 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:54:57,216 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:54:57,216 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:54:57,217 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:54:57,217 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:54:57,219 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:54:57,220 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:54:57,220 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:54:57,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:54:57,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:54:57,223 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:54:57,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:54:57,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:54:57,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:54:57,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:54:57,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:54:57,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:54:57,227 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:54:57,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:54:57,227 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:54:57,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:54:57,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:54:57,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:57,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:54:57,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:54:57,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:54:57,230 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:54:57,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:54:57,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:54:57,231 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:54:57,231 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:54:57,232 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_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2c2c1e156c7b32dd0b6f1a32bd98b0c410c15445b7e57bb9735089c776b1530 [2023-11-19 04:54:57,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:54:57,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:54:57,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:54:57,598 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:54:57,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:54:57,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-19 04:55:00,758 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:01,109 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:01,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-19 04:55:01,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/data/5dd366283/a608f1be543c40a7bdbe9286c14dc17c/FLAGc5f89735e [2023-11-19 04:55:01,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/data/5dd366283/a608f1be543c40a7bdbe9286c14dc17c [2023-11-19 04:55:01,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:01,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:01,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:01,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:01,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:01,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b757005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01, skipping insertion in model container [2023-11-19 04:55:01,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:01,377 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_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i[916,929] [2023-11-19 04:55:01,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:01,491 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:01,503 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_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i[916,929] [2023-11-19 04:55:01,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:01,569 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:01,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01 WrapperNode [2023-11-19 04:55:01,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:01,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:01,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:01,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:01,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,651 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 227 [2023-11-19 04:55:01,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:01,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:01,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:01,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:01,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:01,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:01,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:01,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:01,704 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:01,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:01,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:01,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:55:01,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:55:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:55:01,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:01,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:01,950 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:01,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:02,465 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:02,926 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:02,927 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:55:02,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:02 BoogieIcfgContainer [2023-11-19 04:55:02,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:02,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:02,936 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:02,940 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:02,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:01" (1/3) ... [2023-11-19 04:55:02,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5436d097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:02, skipping insertion in model container [2023-11-19 04:55:02,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (2/3) ... [2023-11-19 04:55:02,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5436d097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:02, skipping insertion in model container [2023-11-19 04:55:02,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:02" (3/3) ... [2023-11-19 04:55:02,946 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-19 04:55:02,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:02,966 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:03,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:03,041 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;@24002c1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:03,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:03,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 04:55:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 04:55:03,068 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:03,068 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:03,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:03,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:03,077 INFO L85 PathProgramCache]: Analyzing trace with hash 308891362, now seen corresponding path program 1 times [2023-11-19 04:55:03,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:03,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382366281] [2023-11-19 04:55:03,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:03,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:03,374 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:55:03,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188572932] [2023-11-19 04:55:03,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:03,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:55:03,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:03,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:55:03,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:55:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:55:03,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:55:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:55:04,186 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:55:04,188 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:55:04,189 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:55:04,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:04,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:55:04,404 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:55:04,409 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:55:04,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:55:04 BoogieIcfgContainer [2023-11-19 04:55:04,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:55:04,574 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:55:04,574 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:55:04,574 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:55:04,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:02" (3/4) ... [2023-11-19 04:55:04,577 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:55:04,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:55:04,580 INFO L158 Benchmark]: Toolchain (without parser) took 3429.13ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 77.1MB in the end (delta: 42.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-19 04:55:04,580 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:04,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.30ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 103.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:55:04,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.10ms. Allocated memory is still 153.1MB. Free memory was 103.1MB in the beginning and 98.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:55:04,588 INFO L158 Benchmark]: Boogie Preprocessor took 49.16ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 96.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:55:04,589 INFO L158 Benchmark]: RCFGBuilder took 1230.78ms. Allocated memory is still 153.1MB. Free memory was 96.8MB in the beginning and 78.4MB in the end (delta: 18.4MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2023-11-19 04:55:04,590 INFO L158 Benchmark]: TraceAbstraction took 1636.93ms. Allocated memory is still 153.1MB. Free memory was 77.5MB in the beginning and 77.1MB in the end (delta: 449.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:55:04,590 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 153.1MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:04,595 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.30ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 103.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.10ms. Allocated memory is still 153.1MB. Free memory was 103.1MB in the beginning and 98.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.16ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 96.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1230.78ms. Allocated memory is still 153.1MB. Free memory was 96.8MB in the beginning and 78.4MB in the end (delta: 18.4MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1636.93ms. Allocated memory is still 153.1MB. Free memory was 77.5MB in the beginning and 77.1MB in the end (delta: 449.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 153.1MB. Free memory is still 77.1MB. 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 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 208, overapproximation of someUnaryFLOAToperation at line 103. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 4; [L28] signed char var_1_9 = 4; [L29] signed char var_1_10 = 2; [L30] signed char var_1_11 = 4; [L31] signed char var_1_12 = -25; [L32] signed char var_1_13 = 8; [L33] signed char var_1_14 = 50; [L34] signed char var_1_15 = 32; [L35] signed char var_1_16 = 64; [L36] double var_1_17 = 4.775; [L37] unsigned long int var_1_18 = 0; [L38] unsigned long int var_1_19 = 3621235500; [L39] signed char var_1_20 = 50; [L40] unsigned long int var_1_21 = 0; [L41] unsigned long int var_1_22 = 2941649671; [L42] float var_1_23 = 9.5; [L43] float var_1_24 = 255.4; [L44] unsigned short int var_1_25 = 128; [L45] unsigned short int var_1_26 = 44368; [L46] unsigned short int var_1_27 = 128; [L47] unsigned short int var_1_28 = 28714; [L48] unsigned long int var_1_29 = 128; [L49] signed long int var_1_30 = -128; [L50] signed long int var_1_31 = 1177635702; [L51] signed long int var_1_32 = 1100114658; [L52] unsigned char last_1_var_1_1 = 0; [L53] signed char last_1_var_1_9 = 4; [L54] unsigned long int last_1_var_1_18 = 0; [L55] unsigned short int last_1_var_1_25 = 128; [L212] isInitial = 1 [L213] FCALL initially() [L214] int k_loop; [L215] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=0, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L215] COND TRUE k_loop < 1 [L216] CALL updateLastVariables() [L202] last_1_var_1_1 = var_1_1 [L203] last_1_var_1_9 = var_1_9 [L204] last_1_var_1_18 = var_1_18 [L205] last_1_var_1_25 = var_1_25 [L216] RET updateLastVariables() [L217] CALL updateVariables() [L147] var_1_2 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L149] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L150] var_1_3 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L152] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L153] var_1_4 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L155] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L156] var_1_5 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L158] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=2, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L159] var_1_10 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L161] CALL assume_abort_if_not(var_1_10 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_10 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=4, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L162] var_1_11 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L164] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-25, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L165] var_1_12 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L167] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=8, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L168] var_1_13 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L170] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=50, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L171] var_1_14 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L173] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=32, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L174] var_1_15 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L176] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=64, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L177] var_1_16 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_16 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_16 >= 63) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L179] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=3621235500, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L180] var_1_19 = __VERIFIER_nondet_ulong() [L181] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L182] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2941649671, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L183] var_1_22 = __VERIFIER_nondet_ulong() [L184] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L185] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=1277/5, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L186] var_1_24 = __VERIFIER_nondet_float() [L187] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=44368, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L188] var_1_26 = __VERIFIER_nondet_ushort() [L189] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L190] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=28714, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L191] var_1_28 = __VERIFIER_nondet_ushort() [L192] CALL assume_abort_if_not(var_1_28 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_28 >= 16383) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L193] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1177635702, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L194] var_1_31 = __VERIFIER_nondet_long() [L195] CALL assume_abort_if_not(var_1_31 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_31 >= 1073741823) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L196] CALL assume_abort_if_not(var_1_31 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not(var_1_31 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=1100114658, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L197] var_1_32 = __VERIFIER_nondet_long() [L198] CALL assume_abort_if_not(var_1_32 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=2147483646, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_32 >= 1073741823) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=2147483646, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L199] CALL assume_abort_if_not(var_1_32 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=2147483646, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_32 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=0, var_1_20=50, var_1_21=0, var_1_22=2147483647, var_1_23=19/2, var_1_24=2, var_1_25=128, var_1_26=38698, var_1_27=128, var_1_28=32767, var_1_29=128, var_1_2=1, var_1_30=-128, var_1_31=1073741823, var_1_32=2147483646, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=4] [L217] RET updateVariables() [L218] CALL step() [L59] COND FALSE !(\read(last_1_var_1_1)) [L70] COND FALSE !(\read(var_1_3)) [L73] COND TRUE last_1_var_1_25 >= (16u * var_1_11) [L74] var_1_25 = var_1_26 [L79] COND TRUE \read(var_1_2) [L80] var_1_1 = ((! (var_1_3 || var_1_4)) && var_1_5) [L84] COND FALSE !((((((var_1_14 / var_1_16)) > (var_1_10)) ? ((var_1_14 / var_1_16)) : (var_1_10))) > var_1_11) [L87] signed char stepLocal_2 = var_1_14; [L88] signed char stepLocal_1 = var_1_15; [L89] COND TRUE stepLocal_2 <= var_1_16 [L90] var_1_20 = var_1_16 [L98] signed char stepLocal_5 = var_1_12; [L99] signed char stepLocal_4 = var_1_14; [L100] signed long int stepLocal_3 = var_1_25 * var_1_13; [L101] COND TRUE stepLocal_5 <= var_1_10 [L102] COND FALSE !(stepLocal_3 == var_1_15) [L105] COND FALSE !(0 >= stepLocal_4) [L108] var_1_23 = var_1_24 [L112] var_1_27 = ((var_1_28 - var_1_13) + var_1_16) [L113] COND TRUE \read(var_1_1) [L114] var_1_29 = var_1_19 [L116] COND FALSE !(((((var_1_19) > (var_1_27)) ? (var_1_19) : (var_1_27))) <= (var_1_22 - 4u)) [L119] var_1_21 = var_1_14 [L121] COND TRUE var_1_26 > ((((38760 - var_1_21) < 0 ) ? -(38760 - var_1_21) : (38760 - var_1_21))) [L122] var_1_30 = (((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) - (((((var_1_31 - var_1_18)) > ((var_1_32 - var_1_27))) ? ((var_1_31 - var_1_18)) : ((var_1_32 - var_1_27))))) [L130] unsigned char stepLocal_0 = var_1_5; [L131] COND FALSE !((var_1_30 >= var_1_29) && stepLocal_0) [L134] COND FALSE !(! (! (var_1_29 < var_1_30))) [L138] COND TRUE var_1_27 > last_1_var_1_9 [L139] COND FALSE !(var_1_6 > (var_1_27 * last_1_var_1_9)) [L142] var_1_9 = ((((var_1_15) > ((var_1_13 - (var_1_16 - var_1_11)))) ? (var_1_15) : ((var_1_13 - (var_1_16 - var_1_11))))) [L218] RET step() [L219] CALL, EXPR property() [L208-L209] return (((((((((((var_1_2 ? (var_1_1 == ((unsigned char) ((! (var_1_3 || var_1_4)) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_4))) && (((var_1_30 >= var_1_29) && var_1_5) ? (var_1_6 == ((unsigned short int) var_1_29)) : ((! (! (var_1_29 < var_1_30))) ? (var_1_6 == ((unsigned short int) (var_1_29 + var_1_30))) : 1))) && ((var_1_27 > last_1_var_1_9) ? ((var_1_6 > (var_1_27 * last_1_var_1_9)) ? (var_1_9 == ((signed char) ((var_1_10 - var_1_11) + ((((var_1_12) > ((var_1_13 - var_1_14))) ? (var_1_12) : ((var_1_13 - var_1_14))))))) : (var_1_9 == ((signed char) ((((var_1_15) > ((var_1_13 - (var_1_16 - var_1_11)))) ? (var_1_15) : ((var_1_13 - (var_1_16 - var_1_11)))))))) : 1)) && (((((((var_1_14 / var_1_16)) > (var_1_10)) ? ((var_1_14 / var_1_16)) : (var_1_10))) > var_1_11) ? (var_1_17 == ((double) (8.25 - 255.8))) : 1)) && (last_1_var_1_1 ? (last_1_var_1_1 ? (var_1_18 == ((unsigned long int) last_1_var_1_18)) : ((((var_1_12 + last_1_var_1_18) * last_1_var_1_18) >= last_1_var_1_25) ? (var_1_18 == ((unsigned long int) (var_1_19 - var_1_16))) : (var_1_18 == ((unsigned long int) var_1_13)))) : 1)) && ((var_1_14 <= var_1_16) ? (var_1_20 == ((signed char) var_1_16)) : ((var_1_15 <= var_1_12) ? (var_1_20 == ((signed char) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : (var_1_20 == ((signed char) var_1_11))))) && ((((((var_1_19) > (var_1_27)) ? (var_1_19) : (var_1_27))) <= (var_1_22 - 4u)) ? (var_1_21 == ((unsigned long int) var_1_13)) : (var_1_21 == ((unsigned long int) var_1_14)))) && ((var_1_12 <= var_1_10) ? (((var_1_25 * var_1_13) == var_1_15) ? (var_1_23 == ((float) ((((var_1_24) < 0 ) ? -(var_1_24) : (var_1_24))))) : ((0 >= var_1_14) ? (var_1_23 == ((float) var_1_24)) : (var_1_23 == ((float) var_1_24)))) : 1)) && (var_1_3 ? (var_1_25 == ((unsigned short int) ((((var_1_18) < ((var_1_26 - var_1_13))) ? (var_1_18) : ((var_1_26 - var_1_13)))))) : ((last_1_var_1_25 >= (16u * var_1_11)) ? (var_1_25 == ((unsigned short int) var_1_26)) : (var_1_25 == ((unsigned short int) var_1_18))))) && (var_1_27 == ((unsigned short int) ((var_1_28 - var_1_13) + var_1_16)))) && (var_1_1 ? (var_1_29 == ((unsigned long int) var_1_19)) : 1)) && ((var_1_26 > ((((38760 - var_1_21) < 0 ) ? -(38760 - var_1_21) : (38760 - var_1_21)))) ? (var_1_30 == ((signed long int) (((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) - (((((var_1_31 - var_1_18)) > ((var_1_32 - var_1_27))) ? ((var_1_31 - var_1_18)) : ((var_1_32 - var_1_27))))))) : ((var_1_10 == (var_1_14 - var_1_16)) ? (var_1_30 == ((signed long int) -1)) : (var_1_30 == ((signed long int) var_1_27)))) ; [L219] RET, EXPR property() [L219] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=1, var_1_20=63, var_1_21=63, var_1_22=2147483647, var_1_23=2, var_1_24=2, var_1_25=38698, var_1_26=38698, var_1_27=32768, var_1_28=32767, var_1_29=2147516482, var_1_2=1, var_1_30=-2147450815, var_1_31=1073741823, var_1_32=2147483646, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_1=0, last_1_var_1_25=128, last_1_var_1_9=4, var_1_10=0, var_1_11=1, var_1_12=-63, var_1_13=62, var_1_14=63, var_1_15=-127, var_1_16=63, var_1_17=191/40, var_1_18=0, var_1_19=2147516482, var_1_1=1, var_1_20=63, var_1_21=63, var_1_22=2147483647, var_1_23=2, var_1_24=2, var_1_25=38698, var_1_26=38698, var_1_27=32768, var_1_28=32767, var_1_29=2147516482, var_1_2=1, var_1_30=-2147450815, var_1_31=1073741823, var_1_32=2147483646, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=4, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 35, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:55:04,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ --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 e2c2c1e156c7b32dd0b6f1a32bd98b0c410c15445b7e57bb9735089c776b1530 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:07,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:07,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:55:07,461 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:07,462 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:07,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:07,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:07,510 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:07,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:07,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:07,517 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:07,517 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:07,518 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:07,520 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:07,520 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:07,521 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:07,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:07,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:07,523 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:55:07,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:55:07,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:07,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:07,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:07,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:07,527 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:55:07,528 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:55:07,528 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:55:07,529 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:55:07,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:07,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:07,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:07,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:55:07,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:07,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:07,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:07,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:07,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:07,534 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:55:07,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:55:07,535 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:07,536 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:07,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:07,536 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_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2c2c1e156c7b32dd0b6f1a32bd98b0c410c15445b7e57bb9735089c776b1530 [2023-11-19 04:55:07,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:08,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:08,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:08,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:08,011 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:08,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-19 04:55:11,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:11,828 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:11,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-19 04:55:11,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/data/2f143e9b1/8334eee570004330924ec6c02343240d/FLAG4e0a7cdeb [2023-11-19 04:55:11,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/data/2f143e9b1/8334eee570004330924ec6c02343240d [2023-11-19 04:55:11,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:11,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:11,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:11,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:11,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:11,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:11" (1/1) ... [2023-11-19 04:55:11,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d95e8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:11, skipping insertion in model container [2023-11-19 04:55:11,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:11" (1/1) ... [2023-11-19 04:55:11,914 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:12,095 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_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i[916,929] [2023-11-19 04:55:12,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:12,226 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:12,250 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_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-32.i[916,929] [2023-11-19 04:55:12,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:12,389 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:12,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12 WrapperNode [2023-11-19 04:55:12,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:12,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:12,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:12,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:12,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,460 INFO L138 Inliner]: procedures = 27, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2023-11-19 04:55:12,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:12,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:12,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:12,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:12,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:12,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:12,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:12,514 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:12,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (1/1) ... [2023-11-19 04:55:12,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:12,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:12,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:12,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:12,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:55:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:55:12,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:55:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:12,799 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:12,802 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:13,856 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:13,869 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:13,875 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:55:13,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:13 BoogieIcfgContainer [2023-11-19 04:55:13,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:13,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:13,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:13,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:13,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:11" (1/3) ... [2023-11-19 04:55:13,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214c6d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:13, skipping insertion in model container [2023-11-19 04:55:13,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:12" (2/3) ... [2023-11-19 04:55:13,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214c6d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:13, skipping insertion in model container [2023-11-19 04:55:13,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:13" (3/3) ... [2023-11-19 04:55:13,897 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-32.i [2023-11-19 04:55:13,919 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:13,919 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:13,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:14,005 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;@28b6cc06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:14,005 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:14,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 04:55:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-19 04:55:14,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:14,041 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:14,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:14,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:14,049 INFO L85 PathProgramCache]: Analyzing trace with hash -692894625, now seen corresponding path program 1 times [2023-11-19 04:55:14,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:14,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1379707211] [2023-11-19 04:55:14,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:14,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:14,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:14,073 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:55:14,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:55:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:14,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:55:14,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 824 proven. 0 refuted. 0 times theorem prover too weak. 1556 trivial. 0 not checked. [2023-11-19 04:55:14,822 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:55:14,823 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:55:14,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1379707211] [2023-11-19 04:55:14,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1379707211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:14,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:14,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:55:14,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069854384] [2023-11-19 04:55:14,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:14,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:55:14,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:55:14,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:55:14,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:14,915 INFO L87 Difference]: Start difference. First operand has 97 states, 59 states have (on average 1.423728813559322) internal successors, (84), 60 states have internal predecessors, (84), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 04:55:15,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:15,020 INFO L93 Difference]: Finished difference Result 191 states and 340 transitions. [2023-11-19 04:55:15,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:55:15,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 217 [2023-11-19 04:55:15,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:15,036 INFO L225 Difference]: With dead ends: 191 [2023-11-19 04:55:15,036 INFO L226 Difference]: Without dead ends: 93 [2023-11-19 04:55:15,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:15,045 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:15,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:55:15,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-19 04:55:15,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-19 04:55:15,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 04:55:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 147 transitions. [2023-11-19 04:55:15,113 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 147 transitions. Word has length 217 [2023-11-19 04:55:15,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:15,114 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 147 transitions. [2023-11-19 04:55:15,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2023-11-19 04:55:15,114 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2023-11-19 04:55:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-19 04:55:15,120 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:15,121 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:15,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:15,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:15,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:15,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:15,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1371288287, now seen corresponding path program 1 times [2023-11-19 04:55:15,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:15,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509564481] [2023-11-19 04:55:15,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:15,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:15,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:15,341 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:55:15,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:55:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:15,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:55:15,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-11-19 04:55:17,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:55:17,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-19 04:55:17,716 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:55:17,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509564481] [2023-11-19 04:55:17,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509564481] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:55:17,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1433538209] [2023-11-19 04:55:17,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:17,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:55:17,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:55:17,759 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:55:17,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 04:55:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:19,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:55:19,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-11-19 04:55:20,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:55:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-19 04:55:20,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1433538209] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:55:20,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778369019] [2023-11-19 04:55:20,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:20,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:55:20,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:20,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:55:20,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 04:55:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:21,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:55:21,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 412 proven. 93 refuted. 0 times theorem prover too weak. 1875 trivial. 0 not checked. [2023-11-19 04:55:22,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:55:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 9 proven. 93 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-19 04:55:22,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778369019] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:55:22,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 04:55:22,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-19 04:55:22,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309155858] [2023-11-19 04:55:22,826 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 04:55:22,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 04:55:22,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:55:22,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 04:55:22,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:55:22,837 INFO L87 Difference]: Start difference. First operand 93 states and 147 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-11-19 04:55:23,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:23,957 INFO L93 Difference]: Finished difference Result 191 states and 298 transitions. [2023-11-19 04:55:23,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 04:55:23,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 217 [2023-11-19 04:55:23,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:23,981 INFO L225 Difference]: With dead ends: 191 [2023-11-19 04:55:23,981 INFO L226 Difference]: Without dead ends: 101 [2023-11-19 04:55:23,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1300 GetRequests, 1288 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 04:55:23,985 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 63 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:23,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 246 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 04:55:23,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-19 04:55:24,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2023-11-19 04:55:24,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 59 states have internal predecessors, (79), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2023-11-19 04:55:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 149 transitions. [2023-11-19 04:55:24,013 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 149 transitions. Word has length 217 [2023-11-19 04:55:24,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:24,015 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 149 transitions. [2023-11-19 04:55:24,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2023-11-19 04:55:24,016 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2023-11-19 04:55:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-19 04:55:24,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:24,021 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:24,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:24,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:55:24,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:24,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:55:24,634 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:24,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:24,635 INFO L85 PathProgramCache]: Analyzing trace with hash 546062832, now seen corresponding path program 1 times [2023-11-19 04:55:24,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:24,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1229196295] [2023-11-19 04:55:24,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:24,637 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:24,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:24,639 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:55:24,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 04:55:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:25,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:55:25,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 597 proven. 255 refuted. 0 times theorem prover too weak. 1528 trivial. 0 not checked. [2023-11-19 04:55:27,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:55:29,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 264 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked. [2023-11-19 04:55:29,299 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:55:29,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1229196295] [2023-11-19 04:55:29,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1229196295] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:55:29,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [868498677] [2023-11-19 04:55:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:29,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:55:29,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:55:29,302 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:55:29,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 04:55:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:30,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:55:30,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2023-11-19 04:55:31,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:55:32,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 15 proven. 87 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-11-19 04:55:32,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [868498677] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:55:32,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296584036] [2023-11-19 04:55:32,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:32,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:55:32,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:32,193 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:55:32,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 04:55:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:32,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 04:55:32,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:55:35,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 688 proven. 243 refuted. 0 times theorem prover too weak. 1449 trivial. 0 not checked. [2023-11-19 04:55:35,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:55:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 33 proven. 168 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2023-11-19 04:55:36,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296584036] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:55:36,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 04:55:36,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 9, 9, 13, 13] total 39 [2023-11-19 04:55:36,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566908903] [2023-11-19 04:55:36,546 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 04:55:36,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-11-19 04:55:36,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:55:36,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-11-19 04:55:36,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1160, Unknown=0, NotChecked=0, Total=1482 [2023-11-19 04:55:36,553 INFO L87 Difference]: Start difference. First operand 97 states and 149 transitions. Second operand has 39 states, 38 states have (on average 4.7631578947368425) internal successors, (181), 37 states have internal predecessors, (181), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) [2023-11-19 04:55:43,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:43,662 INFO L93 Difference]: Finished difference Result 452 states and 647 transitions. [2023-11-19 04:55:43,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-11-19 04:55:43,664 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 4.7631578947368425) internal successors, (181), 37 states have internal predecessors, (181), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) Word has length 218 [2023-11-19 04:55:43,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:43,671 INFO L225 Difference]: With dead ends: 452 [2023-11-19 04:55:43,671 INFO L226 Difference]: Without dead ends: 358 [2023-11-19 04:55:43,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1375 GetRequests, 1268 SyntacticMatches, 4 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3567 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=2315, Invalid=8605, Unknown=0, NotChecked=0, Total=10920 [2023-11-19 04:55:43,679 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 1045 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 510 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:43,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 1132 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [510 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-19 04:55:43,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-11-19 04:55:43,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 127. [2023-11-19 04:55:43,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 83 states have (on average 1.3132530120481927) internal successors, (109), 84 states have internal predecessors, (109), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-19 04:55:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2023-11-19 04:55:43,725 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 218 [2023-11-19 04:55:43,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:43,726 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2023-11-19 04:55:43,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 4.7631578947368425) internal successors, (181), 37 states have internal predecessors, (181), 9 states have call successors, (182), 7 states have call predecessors, (182), 15 states have return successors, (187), 9 states have call predecessors, (187), 9 states have call successors, (187) [2023-11-19 04:55:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2023-11-19 04:55:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-19 04:55:43,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:43,731 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:43,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:43,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-19 04:55:44,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:55:44,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:44,339 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:44,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:44,340 INFO L85 PathProgramCache]: Analyzing trace with hash 939089842, now seen corresponding path program 1 times [2023-11-19 04:55:44,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:55:44,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847626447] [2023-11-19 04:55:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:44,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:55:44,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:55:44,343 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:55:44,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2031d4f-e167-439b-9000-b5a3a6b4ba0d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 04:55:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:44,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 04:55:44,738 INFO L285 TraceCheckSpWp]: Computing forward predicates...