./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b032f5a857a45b1c2a35099704c59a34a967b916e033a3209200697cb561766 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:28,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:28,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:24:28,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:28,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:28,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:28,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:28,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:28,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:28,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:28,213 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:28,214 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:28,215 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:28,215 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:24:28,216 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:28,217 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:28,217 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:24:28,218 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:24:28,219 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:28,220 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:24:28,220 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:24:28,221 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:24:28,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:28,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:28,223 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:28,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:28,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:28,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:28,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:28,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:28,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:28,227 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:28,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:28,228 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:28,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:28,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:28,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:28,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:28,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:28,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:28,231 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:24:28,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:24:28,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:28,232 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:28,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:28,232 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b032f5a857a45b1c2a35099704c59a34a967b916e033a3209200697cb561766 [2023-11-19 05:24:28,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:28,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:28,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:28,537 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:28,538 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:28,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i [2023-11-19 05:24:31,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:32,212 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:32,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i [2023-11-19 05:24:32,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/data/1639752a2/6661aa0e5eca4ef8b0fe72864c01d4bd/FLAGc44566835 [2023-11-19 05:24:32,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/data/1639752a2/6661aa0e5eca4ef8b0fe72864c01d4bd [2023-11-19 05:24:32,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:32,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:32,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:32,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:32,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:32,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70400db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32, skipping insertion in model container [2023-11-19 05:24:32,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:32,486 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_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i[913,926] [2023-11-19 05:24:32,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:32,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:32,563 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_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i[913,926] [2023-11-19 05:24:32,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:32,614 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:32,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32 WrapperNode [2023-11-19 05:24:32,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:32,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:32,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:32,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:32,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,683 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-19 05:24:32,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:32,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:32,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:32,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:32,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:32,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:32,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:32,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:32,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (1/1) ... [2023-11-19 05:24:32,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:32,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:32,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:32,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:24:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:24:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:24:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:32,956 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:32,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:33,413 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:33,797 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:33,798 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:24:33,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:33 BoogieIcfgContainer [2023-11-19 05:24:33,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:33,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:33,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:33,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:33,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:32" (1/3) ... [2023-11-19 05:24:33,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcfee75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:33, skipping insertion in model container [2023-11-19 05:24:33,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:32" (2/3) ... [2023-11-19 05:24:33,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcfee75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:33, skipping insertion in model container [2023-11-19 05:24:33,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:33" (3/3) ... [2023-11-19 05:24:33,814 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-67.i [2023-11-19 05:24:33,836 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:33,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:24:33,901 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:33,911 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;@34878da4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:33,912 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:24:33,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 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) [2023-11-19 05:24:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 05:24:33,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:33,940 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] [2023-11-19 05:24:33,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:33,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:33,949 INFO L85 PathProgramCache]: Analyzing trace with hash 546865631, now seen corresponding path program 1 times [2023-11-19 05:24:33,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:33,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696849444] [2023-11-19 05:24:33,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:33,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:34,148 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:24:34,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1952858869] [2023-11-19 05:24:34,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:34,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:24:34,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:34,154 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:24:34,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:24:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:34,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:24:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:34,662 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:24:34,664 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:24:34,666 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:24:34,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 05:24:34,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:24:34,879 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:24:34,883 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:24:35,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:24:35 BoogieIcfgContainer [2023-11-19 05:24:35,003 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:24:35,003 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:24:35,003 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:24:35,004 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:24:35,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:33" (3/4) ... [2023-11-19 05:24:35,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:24:35,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:24:35,009 INFO L158 Benchmark]: Toolchain (without parser) took 2749.36ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 91.0MB in the beginning and 151.0MB in the end (delta: -60.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:35,010 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:35,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.73ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 77.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 05:24:35,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.24ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 74.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:24:35,012 INFO L158 Benchmark]: Boogie Preprocessor took 40.51ms. Allocated memory is still 136.3MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:35,013 INFO L158 Benchmark]: RCFGBuilder took 1077.62ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 72.1MB in the beginning and 128.2MB in the end (delta: -56.1MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-19 05:24:35,014 INFO L158 Benchmark]: TraceAbstraction took 1195.86ms. Allocated memory is still 190.8MB. Free memory was 128.2MB in the beginning and 151.0MB in the end (delta: -22.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:35,014 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 190.8MB. Free memory was 151.0MB in the beginning and 151.0MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:35,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 136.3MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.73ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 77.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.24ms. Allocated memory is still 136.3MB. Free memory was 77.3MB in the beginning and 74.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.51ms. Allocated memory is still 136.3MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1077.62ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 72.1MB in the beginning and 128.2MB in the end (delta: -56.1MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1195.86ms. Allocated memory is still 190.8MB. Free memory was 128.2MB in the beginning and 151.0MB in the end (delta: -22.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 190.8MB. Free memory was 151.0MB in the beginning and 151.0MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. 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 59, overapproximation of bitwiseOr at line 61, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryArithmeticFLOAToperation at line 55, overapproximation of someUnaryFLOAToperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9.75; [L23] signed long int var_1_2 = 100; [L24] unsigned char var_1_3 = 1; [L25] signed long int var_1_4 = 25; [L26] signed long int var_1_5 = 10; [L27] unsigned char var_1_6 = 1; [L28] float var_1_7 = 7.5; [L29] signed long int var_1_8 = -1000; [L30] float var_1_9 = 9.25; [L31] float var_1_10 = 64.5; [L32] float var_1_11 = 16.25; [L33] signed char var_1_12 = 2; [L34] signed char var_1_13 = 8; [L35] signed char var_1_14 = 0; [L36] float var_1_15 = 0.6; [L37] signed char var_1_16 = 32; [L38] unsigned short int var_1_17 = 2; [L39] unsigned char var_1_18 = 1; [L40] unsigned short int var_1_19 = 63241; [L41] unsigned short int var_1_20 = 58697; [L42] unsigned short int var_1_21 = 25516; [L43] unsigned long int var_1_22 = 3301682525; [L139] isInitial = 1 [L140] FCALL initially() [L141] COND TRUE 1 [L142] FCALL updateLastVariables() [L143] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_long() [L89] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L90] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=25, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L91] var_1_4 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L93] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=10, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L94] var_1_5 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L97] var_1_6 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L99] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=-1000, var_1_9=37/4] [L100] var_1_8 = __VERIFIER_nondet_long() [L101] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=37/4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=37/4] [L102] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=37/4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=37/4] [L103] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=37/4] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=37/4] [L104] var_1_9 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=129/2, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L106] var_1_10 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=65/4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L108] var_1_11 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=8, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L110] var_1_13 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L112] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=0, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L113] var_1_14 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L115] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=1, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L116] var_1_18 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L118] CALL assume_abort_if_not(var_1_18 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_18 <= 1) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=63241, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L119] var_1_19 = __VERIFIER_nondet_ushort() [L120] CALL assume_abort_if_not(var_1_19 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_19 >= 32767) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L121] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=58697, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L122] var_1_20 = __VERIFIER_nondet_ushort() [L123] CALL assume_abort_if_not(var_1_20 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_20 >= 32767) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L124] CALL assume_abort_if_not(var_1_20 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_20 <= 65534) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=25516, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L125] var_1_21 = __VERIFIER_nondet_ushort() [L126] CALL assume_abort_if_not(var_1_21 >= 24575) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_21 >= 24575) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L127] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=3301682525, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L128] var_1_22 = __VERIFIER_nondet_ulong() [L129] CALL assume_abort_if_not(var_1_22 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_22 >= 2147483647) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L130] CALL assume_abort_if_not(var_1_22 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_22 <= 4294967295) VAL [isInitial=1, var_1_10=3, var_1_11=4, var_1_12=2, var_1_13=32, var_1_14=32, var_1_15=3/5, var_1_16=32, var_1_17=2, var_1_18=0, var_1_19=48638, var_1_1=39/4, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=15/2, var_1_8=99, var_1_9=2] [L143] RET updateVariables() [L144] CALL step() [L47] COND TRUE 50 != var_1_2 [L48] var_1_1 = (1.00000000000025E12 - 24.25) [L50] var_1_3 = (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6) [L51] COND TRUE ((var_1_2 + 100) / var_1_8) >= var_1_5 [L52] COND TRUE var_1_3 || (var_1_5 > (var_1_4 * var_1_8)) [L53] var_1_7 = var_1_9 [L58] var_1_12 = (var_1_13 - var_1_14) [L59] var_1_15 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) [L60] COND FALSE !(var_1_1 > (var_1_11 + var_1_7)) [L69] COND TRUE \read(var_1_3) [L70] COND TRUE \read(var_1_6) [L71] COND FALSE !(\read(var_1_18)) [L74] var_1_17 = (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256)) [L144] RET step() [L145] CALL, EXPR property() [L135] EXPR ((((((50 != var_1_2) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6)))) && ((((var_1_2 + 100) / var_1_8) >= var_1_5) ? ((var_1_3 || (var_1_5 > (var_1_4 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((var_1_1 > (var_1_11 + var_1_7)) ? ((var_1_14 < (((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2)) ? (var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1) [L135-L136] return (((((((50 != var_1_2) ? (var_1_1 == ((double) (1.00000000000025E12 - 24.25))) : 1) && (var_1_3 == ((unsigned char) (((5 - var_1_4) <= (var_1_2 + var_1_5)) || var_1_6)))) && ((((var_1_2 + 100) / var_1_8) >= var_1_5) ? ((var_1_3 || (var_1_5 > (var_1_4 * var_1_8))) ? (var_1_7 == ((float) var_1_9)) : (var_1_7 == ((float) (var_1_10 + var_1_11)))) : 1)) && (var_1_12 == ((signed char) (var_1_13 - var_1_14)))) && (var_1_15 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9)))))) && ((var_1_1 > (var_1_11 + var_1_7)) ? ((var_1_14 < (((((var_1_13) > (var_1_4)) ? (var_1_13) : (var_1_4))) | var_1_2)) ? (var_1_3 ? (var_1_16 == ((signed char) -2)) : 1) : (var_1_16 == ((signed char) var_1_13))) : 1)) && (var_1_3 ? (var_1_6 ? (var_1_18 ? (var_1_17 == ((unsigned short int) var_1_14)) : (var_1_17 == ((unsigned short int) (((((var_1_19) < (var_1_20)) ? (var_1_19) : (var_1_20))) - ((var_1_21 - 256) - 256))))) : (((var_1_22 - var_1_20) > (var_1_4 / var_1_8)) ? ((var_1_15 >= var_1_10) ? (var_1_17 == ((unsigned short int) var_1_14)) : 1) : 1)) : (var_1_17 == ((unsigned short int) var_1_21))) ; [L145] RET, EXPR property() [L145] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=0, var_1_13=32, var_1_14=32, var_1_15=5, var_1_16=32, var_1_17=24575, var_1_18=0, var_1_19=48638, var_1_1=0, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=2, var_1_8=99, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=3, var_1_11=4, var_1_12=0, var_1_13=32, var_1_14=32, var_1_15=5, var_1_16=32, var_1_17=24575, var_1_18=0, var_1_19=48638, var_1_1=0, var_1_20=48638, var_1_21=24575, var_1_22=2147483647, var_1_2=-2, var_1_3=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_7=2, var_1_8=99, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:24:35,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b032f5a857a45b1c2a35099704c59a34a967b916e033a3209200697cb561766 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:37,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:38,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:24:38,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:38,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:38,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:38,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:38,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:38,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:38,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:38,124 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:38,125 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:38,125 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:38,127 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:38,127 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:38,128 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:38,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:38,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:38,130 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:38,131 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:38,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:38,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:38,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:38,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:38,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:24:38,134 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:24:38,134 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:24:38,134 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:38,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:38,135 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:38,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:38,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:24:38,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:38,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:38,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:38,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:38,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:38,139 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:24:38,140 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:38,141 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:38,141 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:38,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:38,142 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_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b032f5a857a45b1c2a35099704c59a34a967b916e033a3209200697cb561766 [2023-11-19 05:24:38,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:38,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:38,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:38,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:38,576 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:38,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i [2023-11-19 05:24:41,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:42,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:42,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i [2023-11-19 05:24:42,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/data/128ae27b6/1e5c3b3610894016a3733661848f9ed0/FLAGe63653553 [2023-11-19 05:24:42,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/data/128ae27b6/1e5c3b3610894016a3733661848f9ed0 [2023-11-19 05:24:42,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:42,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:42,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:42,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:42,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:42,177 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4b2fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42, skipping insertion in model container [2023-11-19 05:24:42,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:42,387 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_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i[913,926] [2023-11-19 05:24:42,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:42,471 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:42,485 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_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-67.i[913,926] [2023-11-19 05:24:42,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:42,537 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:42,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42 WrapperNode [2023-11-19 05:24:42,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:42,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:42,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:42,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:42,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,590 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-19 05:24:42,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:42,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:42,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:42,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:42,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:42,670 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:42,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:42,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:42,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (1/1) ... [2023-11-19 05:24:42,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:42,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:42,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:42,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:24:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:24:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:24:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:42,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:42,914 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:42,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:45,409 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:45,432 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:45,432 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:24:45,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:45 BoogieIcfgContainer [2023-11-19 05:24:45,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:45,442 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:45,442 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:45,446 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:45,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:42" (1/3) ... [2023-11-19 05:24:45,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd0eaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:45, skipping insertion in model container [2023-11-19 05:24:45,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:42" (2/3) ... [2023-11-19 05:24:45,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd0eaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:45, skipping insertion in model container [2023-11-19 05:24:45,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:45" (3/3) ... [2023-11-19 05:24:45,453 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-67.i [2023-11-19 05:24:45,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:45,477 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:24:45,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:45,559 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;@4f0a873e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:45,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:24:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 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) [2023-11-19 05:24:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:24:45,589 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:45,590 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] [2023-11-19 05:24:45,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:45,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:45,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1990463430, now seen corresponding path program 1 times [2023-11-19 05:24:45,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:45,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291658076] [2023-11-19 05:24:45,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:45,620 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:45,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:45,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:24:45,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:24:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:46,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:24:46,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:46,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 614 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2023-11-19 05:24:46,290 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:46,291 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:46,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291658076] [2023-11-19 05:24:46,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291658076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:46,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:46,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:46,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823590275] [2023-11-19 05:24:46,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:46,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:24:46,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:46,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:24:46,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:24:46,336 INFO L87 Difference]: Start difference. First operand has 75 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 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) [2023-11-19 05:24:46,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:46,375 INFO L93 Difference]: Finished difference Result 143 states and 254 transitions. [2023-11-19 05:24:46,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:24:46,378 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 [2023-11-19 05:24:46,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:46,387 INFO L225 Difference]: With dead ends: 143 [2023-11-19 05:24:46,387 INFO L226 Difference]: Without dead ends: 71 [2023-11-19 05:24:46,392 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 [2023-11-19 05:24:46,396 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:46,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:24:46,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-19 05:24:46,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-19 05:24:46,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 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) [2023-11-19 05:24:46,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 109 transitions. [2023-11-19 05:24:46,455 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 109 transitions. Word has length 170 [2023-11-19 05:24:46,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:46,456 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 109 transitions. [2023-11-19 05:24:46,456 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) [2023-11-19 05:24:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-11-19 05:24:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 05:24:46,461 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:46,462 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] [2023-11-19 05:24:46,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:46,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:46,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:46,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:46,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1794548418, now seen corresponding path program 1 times [2023-11-19 05:24:46,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:46,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123982683] [2023-11-19 05:24:46,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:46,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:46,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:46,679 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:24:46,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:24:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:47,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:24:47,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-19 05:24:48,175 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:24:48,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:24:48,721 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:48,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123982683] [2023-11-19 05:24:48,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123982683] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:24:48,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1932128333] [2023-11-19 05:24:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:48,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:48,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:24:48,746 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:24:48,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:24:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:49,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:24:49,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-19 05:24:50,497 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:24:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:24:50,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1932128333] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:24:50,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57979951] [2023-11-19 05:24:50,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:50,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:24:50,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:50,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:24:50,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:24:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:51,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:24:51,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 566 proven. 120 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2023-11-19 05:24:52,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:24:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-19 05:24:53,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57979951] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:24:53,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:24:53,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 9, 6] total 12 [2023-11-19 05:24:53,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306036350] [2023-11-19 05:24:53,322 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:24:53,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:24:53,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:53,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:24:53,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:24:53,330 INFO L87 Difference]: Start difference. First operand 71 states and 109 transitions. Second operand has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-11-19 05:24:55,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:56,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:56,031 INFO L93 Difference]: Finished difference Result 147 states and 219 transitions. [2023-11-19 05:24:56,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:24:56,052 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) Word has length 170 [2023-11-19 05:24:56,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:56,055 INFO L225 Difference]: With dead ends: 147 [2023-11-19 05:24:56,056 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 05:24:56,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1025 GetRequests, 1003 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2023-11-19 05:24:56,059 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 180 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:56,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 207 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-19 05:24:56,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 05:24:56,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2023-11-19 05:24:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 45 states have internal predecessors, (51), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 05:24:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2023-11-19 05:24:56,081 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 170 [2023-11-19 05:24:56,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:56,083 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2023-11-19 05:24:56,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.583333333333333) internal successors, (67), 12 states have internal predecessors, (67), 3 states have call successors, (69), 3 states have call predecessors, (69), 6 states have return successors, (71), 3 states have call predecessors, (71), 3 states have call successors, (71) [2023-11-19 05:24:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2023-11-19 05:24:56,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 05:24:56,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:56,087 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:56,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:56,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-19 05:24:56,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:56,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:56,695 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:56,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:56,696 INFO L85 PathProgramCache]: Analyzing trace with hash 857898316, now seen corresponding path program 1 times [2023-11-19 05:24:56,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:56,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2044772491] [2023-11-19 05:24:56,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:56,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:24:56,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:56,699 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:24:56,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0dacdd1-1bdd-407b-b942-b6a2cbbf09f2/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:24:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:57,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 05:24:57,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:26,078 WARN L293 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)