./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b04749154690a033f4bb847dc38e7d07f7822c377af2f6803cc692881b9dc38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:17,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:17,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:32:17,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:17,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:17,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:17,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:17,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:17,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:17,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:17,819 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:17,820 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:17,821 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:17,823 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:17,823 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:17,824 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:17,824 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:17,825 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:17,825 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:17,826 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:17,826 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:17,827 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:17,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:17,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:17,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:17,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:17,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:17,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:17,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:17,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:17,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:17,833 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:17,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:17,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:17,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:17,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:17,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:17,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:17,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:17,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:17,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:17,837 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:17,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:17,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:17,838 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:17,838 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:17,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:17,839 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_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b04749154690a033f4bb847dc38e7d07f7822c377af2f6803cc692881b9dc38 [2023-11-23 20:32:18,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:18,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:18,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:18,213 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:18,214 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:18,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i [2023-11-23 20:32:21,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:21,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:21,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i [2023-11-23 20:32:21,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/data/5b3f8f30c/e87a52dea7dc4167b94deb9afe30901f/FLAGf571a9c33 [2023-11-23 20:32:21,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/data/5b3f8f30c/e87a52dea7dc4167b94deb9afe30901f [2023-11-23 20:32:21,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:21,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:21,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:21,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:21,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:21,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:21" (1/1) ... [2023-11-23 20:32:21,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aef53ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:21, skipping insertion in model container [2023-11-23 20:32:21,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:21" (1/1) ... [2023-11-23 20:32:21,652 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:21,860 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_70a0191b-51de-498e-9e11-fd8c3a932244/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i[915,928] [2023-11-23 20:32:21,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:21,941 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:21,954 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_70a0191b-51de-498e-9e11-fd8c3a932244/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i[915,928] [2023-11-23 20:32:21,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:22,006 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:22,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22 WrapperNode [2023-11-23 20:32:22,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:22,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:22,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:22,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:22,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,092 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-23 20:32:22,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:22,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:22,094 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:22,094 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:22,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,129 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:22,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:22,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:22,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:22,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (1/1) ... [2023-11-23 20:32:22,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:22,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:22,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:22,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:22,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:22,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:22,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:22,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:22,356 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:22,359 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:22,806 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:23,020 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:23,021 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:32:23,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:23 BoogieIcfgContainer [2023-11-23 20:32:23,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:23,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:23,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:23,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:23,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:21" (1/3) ... [2023-11-23 20:32:23,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2147a0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:23, skipping insertion in model container [2023-11-23 20:32:23,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:22" (2/3) ... [2023-11-23 20:32:23,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2147a0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:23, skipping insertion in model container [2023-11-23 20:32:23,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:23" (3/3) ... [2023-11-23 20:32:23,033 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-32.i [2023-11-23 20:32:23,055 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:23,056 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:23,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:23,125 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;@b6f0c93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:23,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:23,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:32:23,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 20:32:23,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:23,145 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:23,146 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:23,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:23,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1948027510, now seen corresponding path program 1 times [2023-11-23 20:32:23,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:23,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654583998] [2023-11-23 20:32:23,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:23,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:23,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:32:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:24,092 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:32:24,095 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:32:24,096 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:32:24,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:32:24,103 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:32:24,110 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:24,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:24 BoogieIcfgContainer [2023-11-23 20:32:24,267 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:24,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:24,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:24,268 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:24,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:23" (3/4) ... [2023-11-23 20:32:24,271 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:32:24,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:24,273 INFO L158 Benchmark]: Toolchain (without parser) took 2682.31ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 53.6MB in the end (delta: 37.3MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-23 20:32:24,274 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:24,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.12ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 99.4MB in the end (delta: -8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:32:24,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.27ms. Allocated memory is still 134.2MB. Free memory was 99.4MB in the beginning and 96.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:24,276 INFO L158 Benchmark]: Boogie Preprocessor took 41.26ms. Allocated memory is still 134.2MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:32:24,277 INFO L158 Benchmark]: RCFGBuilder took 887.33ms. Allocated memory is still 134.2MB. Free memory was 93.9MB in the beginning and 50.5MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-23 20:32:24,278 INFO L158 Benchmark]: TraceAbstraction took 1242.00ms. Allocated memory is still 134.2MB. Free memory was 49.8MB in the beginning and 53.6MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:24,278 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 134.2MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:24,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.12ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 99.4MB in the end (delta: -8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.27ms. Allocated memory is still 134.2MB. Free memory was 99.4MB in the beginning and 96.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.26ms. Allocated memory is still 134.2MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 887.33ms. Allocated memory is still 134.2MB. Free memory was 93.9MB in the beginning and 50.5MB in the end (delta: 43.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1242.00ms. Allocated memory is still 134.2MB. Free memory was 49.8MB in the beginning and 53.6MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 134.2MB. Free memory is still 53.6MB. 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 89, overapproximation of someBinaryDOUBLEComparisonOperation at line 165, overapproximation of someBinaryArithmeticFLOAToperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_4 = 100; [L24] unsigned char var_1_5 = 2; [L25] unsigned char var_1_6 = 64; [L26] unsigned char var_1_7 = 32; [L27] unsigned char var_1_8 = 32; [L28] float var_1_9 = 100.5; [L29] float var_1_11 = 0.8; [L30] float var_1_12 = 2.5; [L31] signed short int var_1_13 = -32; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 0.25; [L36] float var_1_19 = 100000000.25; [L37] signed char var_1_20 = 0; [L38] signed char var_1_21 = 10; [L39] double var_1_22 = 1000000.5; [L40] unsigned long int var_1_23 = 256; [L41] unsigned long int var_1_24 = 50; [L42] signed long int var_1_25 = 64; [L43] signed long int var_1_26 = -16; [L44] signed short int var_1_27 = -50; [L45] signed short int var_1_28 = 2; [L46] double var_1_29 = 2.2; [L47] double var_1_30 = 64.5; [L48] unsigned short int var_1_31 = 200; [L49] unsigned short int var_1_32 = 2; [L50] unsigned char var_1_33 = 5; [L51] unsigned char var_1_34 = 0; [L52] signed short int var_1_35 = -8; [L53] double var_1_36 = 16.2; [L54] unsigned char last_1_var_1_1 = 2; [L55] unsigned char last_1_var_1_15 = 1; [L56] signed char last_1_var_1_20 = 0; [L169] isInitial = 1 [L170] FCALL initially() [L171] COND TRUE 1 [L172] CALL updateLastVariables() [L160] last_1_var_1_1 = var_1_1 [L161] last_1_var_1_15 = var_1_15 [L162] last_1_var_1_20 = var_1_20 [L172] RET updateLastVariables() [L173] CALL updateVariables() [L114] var_1_4 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L116] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L117] var_1_5 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L119] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L120] var_1_6 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L122] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L123] var_1_7 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_8=32, var_1_9=201/2] [L125] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L126] var_1_8 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_9=201/2] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_9=201/2] [L128] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L129] var_1_11 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L131] var_1_12 = __VERIFIER_nondet_float() [L132] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L133] var_1_16 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L135] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L136] var_1_17 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L138] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L139] var_1_19 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L141] var_1_21 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L143] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-16, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L144] var_1_26 = __VERIFIER_nondet_long() [L145] CALL assume_abort_if_not(var_1_26 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_26 >= -2147483647) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L146] CALL assume_abort_if_not(var_1_26 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_26 <= 2147483646) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=2, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L147] var_1_28 = __VERIFIER_nondet_short() [L148] CALL assume_abort_if_not(var_1_28 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_28 >= -32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L149] CALL assume_abort_if_not(var_1_28 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_28 <= 32766) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_30=129/2, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L150] var_1_30 = __VERIFIER_nondet_double() [L151] CALL assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_32=2, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L152] var_1_32 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L154] CALL assume_abort_if_not(var_1_32 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_32=65534, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_32 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_32=65534, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L155] var_1_34 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_32=65534, var_1_33=5, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_32=65534, var_1_33=5, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L157] CALL assume_abort_if_not(var_1_34 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_32=65534, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_34 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_26=-32767, var_1_27=-50, var_1_28=-32767, var_1_29=11/5, var_1_31=200, var_1_32=65534, var_1_33=5, var_1_34=0, var_1_35=-8, var_1_36=81/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L173] RET updateVariables() [L174] CALL step() [L60] var_1_25 = var_1_26 [L61] var_1_27 = var_1_28 [L62] COND FALSE !(! (var_1_27 >= var_1_25)) [L65] var_1_31 = var_1_32 [L66] var_1_33 = var_1_34 [L67] var_1_35 = var_1_33 [L68] var_1_36 = var_1_30 [L69] COND FALSE !(var_1_5 >= var_1_6) [L78] var_1_15 = var_1_17 [L80] unsigned char stepLocal_1 = var_1_15; [L81] unsigned char stepLocal_0 = var_1_15; [L82] COND TRUE var_1_17 || stepLocal_0 [L83] COND TRUE var_1_15 && stepLocal_1 [L84] var_1_18 = (var_1_11 + var_1_19) [L89] COND FALSE !((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) [L98] COND FALSE !(var_1_11 == var_1_18) [L101] COND FALSE !(-32 < var_1_13) [L104] COND FALSE !((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) [L107] var_1_9 = var_1_12 [L109] var_1_22 = var_1_12 [L110] var_1_23 = var_1_8 [L111] var_1_24 = var_1_6 [L174] RET step() [L175] CALL, EXPR property() [L165-L166] return (((((((((-32 < var_1_13) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) ? ((var_1_6 <= var_1_8) ? (var_1_15 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((last_1_var_1_1 <= last_1_var_1_20) ? (var_1_15 == ((unsigned char) var_1_16)) : ((last_1_var_1_15 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_15) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; [L175] RET, EXPR property() [L175] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=100000005, var_1_23=0, var_1_24=64, var_1_25=-32767, var_1_26=-32767, var_1_27=-32767, var_1_28=-32767, var_1_29=11/5, var_1_30=11/5, var_1_31=65534, var_1_32=65534, var_1_33=0, var_1_34=0, var_1_35=0, var_1_36=11/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=100000005] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=100000005, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=100000005, var_1_23=0, var_1_24=64, var_1_25=-32767, var_1_26=-32767, var_1_27=-32767, var_1_28=-32767, var_1_29=11/5, var_1_30=11/5, var_1_31=65534, var_1_32=65534, var_1_33=0, var_1_34=0, var_1_35=0, var_1_36=11/5, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=100000005] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:32:24,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9b04749154690a033f4bb847dc38e7d07f7822c377af2f6803cc692881b9dc38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:27,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:27,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:32:27,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:27,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:27,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:27,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:27,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:27,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:27,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:27,228 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:27,228 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:27,229 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:27,231 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:27,231 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:27,231 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:27,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:27,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:27,234 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:27,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:27,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:27,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:27,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:27,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:27,237 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:32:27,238 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:32:27,238 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:32:27,238 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:27,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:27,239 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:27,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:27,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:32:27,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:27,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:27,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:27,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:27,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:27,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:27,243 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:32:27,244 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:27,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:27,245 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:27,245 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:27,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:27,246 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_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b04749154690a033f4bb847dc38e7d07f7822c377af2f6803cc692881b9dc38 [2023-11-23 20:32:27,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:27,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:27,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:27,682 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:27,682 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:27,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i [2023-11-23 20:32:30,877 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:31,162 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:31,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i [2023-11-23 20:32:31,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/data/fb75974cb/a0a39058d43b469889554a601d9cf7f4/FLAG305bd5f9e [2023-11-23 20:32:31,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/data/fb75974cb/a0a39058d43b469889554a601d9cf7f4 [2023-11-23 20:32:31,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:31,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:31,208 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:31,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:31,214 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:31,215 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,216 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2a779f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31, skipping insertion in model container [2023-11-23 20:32:31,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:31,449 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_70a0191b-51de-498e-9e11-fd8c3a932244/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i[915,928] [2023-11-23 20:32:31,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:31,578 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:31,594 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_70a0191b-51de-498e-9e11-fd8c3a932244/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-32.i[915,928] [2023-11-23 20:32:31,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:31,683 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:31,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31 WrapperNode [2023-11-23 20:32:31,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:31,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:31,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:31,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:31,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,737 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-23 20:32:31,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:31,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:31,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:31,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:31,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:31,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:31,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:31,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:31,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (1/1) ... [2023-11-23 20:32:31,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:31,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:31,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:31,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:32:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:31,953 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:31,956 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:35,244 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:35,329 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:35,330 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:32:35,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:35 BoogieIcfgContainer [2023-11-23 20:32:35,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:35,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:35,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:35,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:35,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:31" (1/3) ... [2023-11-23 20:32:35,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f3a9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:35, skipping insertion in model container [2023-11-23 20:32:35,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:31" (2/3) ... [2023-11-23 20:32:35,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f3a9e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:35, skipping insertion in model container [2023-11-23 20:32:35,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:35" (3/3) ... [2023-11-23 20:32:35,340 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-32.i [2023-11-23 20:32:35,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:35,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:35,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:35,421 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;@18233060, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:35,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:35,427 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:32:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 20:32:35,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:35,446 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:35,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:35,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:35,453 INFO L85 PathProgramCache]: Analyzing trace with hash 266310826, now seen corresponding path program 1 times [2023-11-23 20:32:35,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:35,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [880074119] [2023-11-23 20:32:35,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:35,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:32:35,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:35,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:32:35,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:32:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:36,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:32:36,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-23 20:32:36,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:36,105 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:36,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [880074119] [2023-11-23 20:32:36,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [880074119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:36,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:36,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:32:36,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756378083] [2023-11-23 20:32:36,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:36,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:32:36,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:36,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:32:36,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:36,153 INFO L87 Difference]: Start difference. First operand has 71 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:32:38,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:38,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:38,043 INFO L93 Difference]: Finished difference Result 139 states and 252 transitions. [2023-11-23 20:32:38,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:32:38,067 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 170 [2023-11-23 20:32:38,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:38,076 INFO L225 Difference]: With dead ends: 139 [2023-11-23 20:32:38,077 INFO L226 Difference]: Without dead ends: 69 [2023-11-23 20:32:38,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:38,085 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:38,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-23 20:32:38,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-23 20:32:38,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-23 20:32:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 39 states have internal predecessors, (52), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:32:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 108 transitions. [2023-11-23 20:32:38,144 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 108 transitions. Word has length 170 [2023-11-23 20:32:38,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:38,144 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 108 transitions. [2023-11-23 20:32:38,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:32:38,145 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2023-11-23 20:32:38,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 20:32:38,150 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:38,150 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:38,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 20:32:38,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:32:38,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:38,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:38,364 INFO L85 PathProgramCache]: Analyzing trace with hash -732025490, now seen corresponding path program 1 times [2023-11-23 20:32:38,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:38,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44495760] [2023-11-23 20:32:38,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:38,366 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:32:38,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:38,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:32:38,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:32:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:38,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:32:38,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 783 proven. 39 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2023-11-23 20:32:39,357 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:32:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 42 proven. 39 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:32:39,802 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:39,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44495760] [2023-11-23 20:32:39,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44495760] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:32:39,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [278767903] [2023-11-23 20:32:39,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:39,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:39,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:32:39,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:32:39,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:32:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:40,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:32:40,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 20:32:41,981 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:41,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [278767903] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:41,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 20:32:41,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 8 [2023-11-23 20:32:41,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045775476] [2023-11-23 20:32:41,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:41,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:32:41,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:41,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:32:41,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:32:41,987 INFO L87 Difference]: Start difference. First operand 69 states and 108 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:32:44,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:46,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:47,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:47,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:47,709 INFO L93 Difference]: Finished difference Result 205 states and 322 transitions. [2023-11-23 20:32:47,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:32:47,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 170 [2023-11-23 20:32:47,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:47,714 INFO L225 Difference]: With dead ends: 205 [2023-11-23 20:32:47,715 INFO L226 Difference]: Without dead ends: 137 [2023-11-23 20:32:47,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 500 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 20:32:47,718 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 21 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:47,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 201 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2023-11-23 20:32:47,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-23 20:32:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2023-11-23 20:32:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 75 states have (on average 1.32) internal successors, (99), 75 states have internal predecessors, (99), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-23 20:32:47,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 211 transitions. [2023-11-23 20:32:47,787 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 211 transitions. Word has length 170 [2023-11-23 20:32:47,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:47,788 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 211 transitions. [2023-11-23 20:32:47,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 20:32:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2023-11-23 20:32:47,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 20:32:47,793 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:47,793 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:47,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-23 20:32:48,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:48,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:48,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:48,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:48,203 INFO L85 PathProgramCache]: Analyzing trace with hash -730178448, now seen corresponding path program 1 times [2023-11-23 20:32:48,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:48,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898262320] [2023-11-23 20:32:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:48,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:32:48,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:48,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:32:48,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 20:32:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:48,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:32:48,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 783 proven. 39 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2023-11-23 20:32:49,049 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:32:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 42 proven. 39 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:32:49,423 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:49,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898262320] [2023-11-23 20:32:49,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898262320] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:32:49,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2131785820] [2023-11-23 20:32:49,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:49,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:49,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:32:49,430 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:32:49,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:32:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:50,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:32:50,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 783 proven. 39 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2023-11-23 20:32:50,880 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:32:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 42 proven. 39 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:32:51,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2131785820] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:32:51,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083057257] [2023-11-23 20:32:51,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:51,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:32:51,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:51,243 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:32:51,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 20:32:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:51,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:32:51,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 783 proven. 39 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2023-11-23 20:32:51,936 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:32:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 42 proven. 39 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-23 20:32:52,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083057257] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:32:52,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 20:32:52,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-23 20:32:52,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135967521] [2023-11-23 20:32:52,271 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 20:32:52,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:32:52,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:52,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:32:52,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:32:52,278 INFO L87 Difference]: Start difference. First operand 134 states and 211 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-23 20:32:55,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:57,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:58,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:32:58,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:58,972 INFO L93 Difference]: Finished difference Result 304 states and 470 transitions. [2023-11-23 20:32:58,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 20:32:58,973 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 170 [2023-11-23 20:32:58,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:58,978 INFO L225 Difference]: With dead ends: 304 [2023-11-23 20:32:58,978 INFO L226 Difference]: Without dead ends: 171 [2023-11-23 20:32:58,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1018 GetRequests, 1006 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-23 20:32:58,982 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 52 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:58,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 224 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 280 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2023-11-23 20:32:58,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-23 20:32:59,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 164. [2023-11-23 20:32:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 89 states have (on average 1.247191011235955) internal successors, (111), 90 states have internal predecessors, (111), 70 states have call successors, (70), 4 states have call predecessors, (70), 4 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-23 20:32:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 251 transitions. [2023-11-23 20:32:59,026 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 251 transitions. Word has length 170 [2023-11-23 20:32:59,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:59,027 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 251 transitions. [2023-11-23 20:32:59,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-23 20:32:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 251 transitions. [2023-11-23 20:32:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 20:32:59,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:59,032 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:59,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:59,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:59,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:59,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:32:59,650 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:59,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:59,651 INFO L85 PathProgramCache]: Analyzing trace with hash -506475353, now seen corresponding path program 1 times [2023-11-23 20:32:59,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:59,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253300668] [2023-11-23 20:32:59,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:59,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:32:59,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:59,654 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:32:59,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70a0191b-51de-498e-9e11-fd8c3a932244/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-23 20:33:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:00,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:33:00,041 INFO L285 TraceCheckSpWp]: Computing forward predicates...