./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 6d1e5e5cc6398246832802a812900af1b138e1125bfe18c91f7c567300bec7d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:13,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:13,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:24:13,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:13,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:13,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:13,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:13,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:13,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:13,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:13,841 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:13,842 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:13,842 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:13,843 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:24:13,843 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:13,844 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:13,845 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:24:13,845 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:24:13,846 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:13,846 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:24:13,847 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:24:13,848 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:24:13,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:13,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:13,850 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:13,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:24:13,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:13,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:13,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:13,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:13,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:13,853 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:13,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:13,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:13,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:13,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:13,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:13,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:13,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:13,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:13,856 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:24:13,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:24:13,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:13,857 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:13,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:13,858 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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d1e5e5cc6398246832802a812900af1b138e1125bfe18c91f7c567300bec7d3 [2023-11-19 05:24:14,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:14,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:14,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:14,208 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:14,209 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:14,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-19 05:24:17,482 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:17,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:17,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-19 05:24:17,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/data/dd40ea4c2/50b1e42a4a814ae7b9990625dd1cebd9/FLAG95ce5b917 [2023-11-19 05:24:17,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/data/dd40ea4c2/50b1e42a4a814ae7b9990625dd1cebd9 [2023-11-19 05:24:17,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:17,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:17,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:17,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:17,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:17,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d124b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:17, skipping insertion in model container [2023-11-19 05:24:17,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:17" (1/1) ... [2023-11-19 05:24:17,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:18,061 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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i[919,932] [2023-11-19 05:24:18,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:18,138 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:18,149 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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i[919,932] [2023-11-19 05:24:18,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:18,223 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:18,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18 WrapperNode [2023-11-19 05:24:18,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:18,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:18,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:18,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:18,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,301 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-19 05:24:18,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:18,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:18,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:18,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:18,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,348 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:18,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:18,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:18,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:18,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (1/1) ... [2023-11-19 05:24:18,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:18,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:18,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:18,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:24:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:24:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:24:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:18,681 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:18,687 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:19,180 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:19,598 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:19,599 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:24:19,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:19 BoogieIcfgContainer [2023-11-19 05:24:19,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:19,610 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:19,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:19,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:19,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:17" (1/3) ... [2023-11-19 05:24:19,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e181aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:19, skipping insertion in model container [2023-11-19 05:24:19,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:18" (2/3) ... [2023-11-19 05:24:19,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e181aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:19, skipping insertion in model container [2023-11-19 05:24:19,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:19" (3/3) ... [2023-11-19 05:24:19,622 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-19 05:24:19,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:19,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:24:19,729 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:19,739 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;@389c2678, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:19,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:24:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:24:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-19 05:24:19,762 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:19,763 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:19,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:19,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:19,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1809660569, now seen corresponding path program 1 times [2023-11-19 05:24:19,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:24:19,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059888778] [2023-11-19 05:24:19,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:19,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:24:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:20,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:24:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:24:21,655 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:24:21,657 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:24:21,659 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:24:21,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:24:21,671 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:24:21,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:24:21,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:24:21 BoogieIcfgContainer [2023-11-19 05:24:21,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:24:21,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:24:21,834 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:24:21,835 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:24:21,835 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:19" (3/4) ... [2023-11-19 05:24:21,838 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:24:21,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:24:21,841 INFO L158 Benchmark]: Toolchain (without parser) took 4037.33ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 110.5MB in the beginning and 62.1MB in the end (delta: 48.4MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2023-11-19 05:24:21,841 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:24:21,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.09ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 95.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:24:21,843 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.84ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 92.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:21,843 INFO L158 Benchmark]: Boogie Preprocessor took 56.41ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:21,844 INFO L158 Benchmark]: RCFGBuilder took 1246.71ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 90.8MB in the beginning and 136.7MB in the end (delta: -45.9MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2023-11-19 05:24:21,845 INFO L158 Benchmark]: TraceAbstraction took 2223.30ms. Allocated memory is still 172.0MB. Free memory was 135.7MB in the beginning and 63.2MB in the end (delta: 72.5MB). Peak memory consumption was 90.3MB. Max. memory is 16.1GB. [2023-11-19 05:24:21,846 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 172.0MB. Free memory was 63.2MB in the beginning and 62.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:24:21,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.09ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 95.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.84ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 92.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.41ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1246.71ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 90.8MB in the beginning and 136.7MB in the end (delta: -45.9MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2223.30ms. Allocated memory is still 172.0MB. Free memory was 135.7MB in the beginning and 63.2MB in the end (delta: 72.5MB). Peak memory consumption was 90.3MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 172.0MB. Free memory was 63.2MB in the beginning and 62.1MB in the end (delta: 1.1MB). 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 73, overapproximation of shiftRight at line 65, overapproximation of someUnaryDOUBLEoperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] signed char var_1_4 = 5; [L26] signed char var_1_7 = 0; [L27] signed char var_1_8 = 16; [L28] signed char var_1_9 = 4; [L29] unsigned long int var_1_10 = 128; [L30] unsigned long int var_1_11 = 1422462314; [L31] signed short int var_1_12 = 8; [L32] signed short int var_1_15 = -50; [L33] unsigned long int var_1_16 = 1; [L34] unsigned long int var_1_17 = 3609236770; [L35] unsigned long int var_1_18 = 2902762324; [L36] double var_1_19 = 3.8; [L37] double var_1_20 = 255.75; [L38] unsigned short int var_1_21 = 0; [L39] signed char var_1_22 = -8; [L40] signed long int var_1_23 = -32; [L41] unsigned char var_1_25 = 10; [L42] unsigned char var_1_27 = 128; [L43] unsigned char var_1_28 = 100; [L44] float var_1_30 = 31.3; [L45] float var_1_31 = 1.5; [L46] float var_1_32 = 15.25; [L47] double var_1_33 = 128.8; [L48] signed char var_1_34 = 4; [L49] signed char var_1_35 = 1; [L50] unsigned char var_1_36 = 16; [L51] unsigned long int last_1_var_1_10 = 128; [L52] unsigned long int last_1_var_1_16 = 1; [L53] double last_1_var_1_19 = 3.8; [L195] isInitial = 1 [L196] FCALL initially() [L197] COND TRUE 1 [L198] CALL updateLastVariables() [L186] last_1_var_1_10 = var_1_10 [L187] last_1_var_1_16 = var_1_16 [L188] last_1_var_1_19 = var_1_19 [L198] RET updateLastVariables() [L199] CALL updateVariables() [L142] var_1_2 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L144] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L145] var_1_3 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L147] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=0, var_1_8=16, var_1_9=4] [L148] var_1_7 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=16, var_1_9=4] [L150] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=16, var_1_9=4] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=16, var_1_9=4] [L151] var_1_8 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=4] [L153] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=4] [L154] var_1_9 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L156] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=1422462314, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L157] var_1_11 = __VERIFIER_nondet_ulong() [L158] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L159] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=3609236770, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L160] var_1_17 = __VERIFIER_nondet_ulong() [L161] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L162] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=2902762324, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L163] var_1_18 = __VERIFIER_nondet_ulong() [L164] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L165] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=1023/4, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L166] var_1_20 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=128, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L168] var_1_27 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_27 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_27 >= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L170] CALL assume_abort_if_not(var_1_27 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_27 <= 254) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=100, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L171] var_1_28 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L173] CALL assume_abort_if_not(var_1_28 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_28 <= 127) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=3/2, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L174] var_1_31 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=61/4, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L176] var_1_32 = __VERIFIER_nondet_float() [L177] CALL assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=4, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L178] var_1_34 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L180] CALL assume_abort_if_not(var_1_34 <= 5) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_34 <= 5) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=1, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L181] var_1_35 = __VERIFIER_nondet_char() [L182] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L183] CALL assume_abort_if_not(var_1_35 <= 4) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_35 <= 4) VAL [isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=128, var_1_11=2147483647, var_1_12=8, var_1_15=-50, var_1_16=1, var_1_17=4294967294, var_1_18=4294967293, var_1_19=19/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=-8, var_1_23=-32, var_1_25=10, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=16, var_1_3=0, var_1_4=5, var_1_7=6, var_1_8=5, var_1_9=6] [L199] RET updateVariables() [L200] CALL step() [L57] var_1_22 = ((((-25) < 0 ) ? -(-25) : (-25))) [L58] COND TRUE var_1_12 > var_1_16 [L59] COND TRUE (~ var_1_12) <= 128 [L60] var_1_23 = var_1_16 [L65] EXPR var_1_4 >> var_1_15 [L65] EXPR ((var_1_10) < ((var_1_4 >> var_1_15))) ? (var_1_10) : ((var_1_4 >> var_1_15)) [L65] COND TRUE var_1_4 <= ((((var_1_10) < ((var_1_4 >> var_1_15))) ? (var_1_10) : ((var_1_4 >> var_1_15)))) [L66] var_1_25 = (var_1_27 - var_1_28) [L72] COND TRUE \read(var_1_1) [L73] var_1_30 = ((((var_1_31) < ((1.625f + ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32)))))) ? (var_1_31) : ((1.625f + ((((var_1_32) < 0 ) ? -(var_1_32) : (var_1_32))))))) [L75] COND FALSE !(var_1_16 >= var_1_4) [L88] COND TRUE var_1_27 >= (var_1_28 + var_1_4) [L89] COND FALSE !((-0.95f * ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > var_1_31) [L92] COND TRUE var_1_19 > 128.5f [L93] var_1_36 = var_1_28 [L99] unsigned long int stepLocal_1 = last_1_var_1_16; [L100] unsigned long int stepLocal_0 = last_1_var_1_16; [L101] COND TRUE stepLocal_1 != last_1_var_1_10 [L102] COND FALSE !(var_1_8 <= stepLocal_0) [L110] COND TRUE var_1_12 == var_1_12 [L111] var_1_4 = ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9) [L113] var_1_1 = (var_1_2 || (! var_1_3)) [L114] var_1_10 = (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7)) [L115] var_1_19 = ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4))) [L116] COND TRUE \read(var_1_1) [L117] COND TRUE var_1_19 >= var_1_19 [L118] COND TRUE ! var_1_3 [L119] var_1_15 = var_1_8 [L127] COND TRUE var_1_19 != var_1_19 [L128] var_1_16 = (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8) [L136] unsigned char stepLocal_2 = var_1_1; [L137] COND FALSE !((var_1_16 == (var_1_8 - var_1_9)) && stepLocal_2) [L200] RET step() [L201] CALL, EXPR property() [L191-L192] return (((((((var_1_1 == ((unsigned char) (var_1_2 || (! var_1_3)))) && ((var_1_12 == var_1_12) ? (var_1_4 == ((signed char) ((8 + ((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8)))) - var_1_9))) : 1)) && (var_1_10 == ((unsigned long int) (4027026809u - (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) - var_1_7))))) && ((last_1_var_1_16 != last_1_var_1_10) ? ((var_1_8 <= last_1_var_1_16) ? (((- last_1_var_1_19) >= last_1_var_1_19) ? (var_1_12 == ((signed short int) var_1_8)) : 1) : 1) : (var_1_12 == ((signed short int) var_1_9)))) && (var_1_1 ? ((var_1_19 >= var_1_19) ? ((! var_1_3) ? (var_1_15 == ((signed short int) var_1_8)) : 1) : (var_1_15 == ((signed short int) var_1_7))) : (var_1_15 == ((signed short int) 5)))) && ((var_1_19 != var_1_19) ? (var_1_16 == ((unsigned long int) (((((var_1_11) < (var_1_7)) ? (var_1_11) : (var_1_7))) + var_1_8))) : ((var_1_4 > var_1_12) ? (var_1_16 == ((unsigned long int) (var_1_17 - (var_1_11 - var_1_8)))) : (var_1_16 == ((unsigned long int) (((((var_1_17) > (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_9)))))) && (var_1_19 == ((double) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (1.4)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (1.4)))))) && (((var_1_16 == (var_1_8 - var_1_9)) && var_1_1) ? (var_1_21 == ((unsigned short int) var_1_9)) : 1) ; [L201] RET, EXPR property() [L201] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543168, var_1_11=2147483647, var_1_12=8, var_1_15=5, var_1_16=11, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=1, var_1_25=127, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=127, var_1_3=0, var_1_4=8, var_1_7=6, var_1_8=5, var_1_9=6] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=128, last_1_var_1_16=1, last_1_var_1_19=19/5, var_1_10=1879543168, var_1_11=2147483647, var_1_12=8, var_1_15=5, var_1_16=11, var_1_17=4294967294, var_1_18=4294967293, var_1_19=7/5, var_1_1=1, var_1_20=7/5, var_1_21=0, var_1_22=25, var_1_23=1, var_1_25=127, var_1_27=254, var_1_28=127, var_1_2=0, var_1_30=313/10, var_1_31=644/5, var_1_32=644/5, var_1_33=644/5, var_1_34=1, var_1_35=0, var_1_36=127, var_1_3=0, var_1_4=8, var_1_7=6, var_1_8=5, var_1_9=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 1, TraceHistogramMax: 27, 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=51occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 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 05:24:21,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 6d1e5e5cc6398246832802a812900af1b138e1125bfe18c91f7c567300bec7d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:24:24,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:24:24,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:24:24,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:24:24,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:24:24,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:24:24,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:24:24,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:24:24,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:24:24,926 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:24:24,926 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:24:24,927 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:24:24,927 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:24:24,930 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:24:24,930 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:24:24,931 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:24:24,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:24:24,933 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:24:24,933 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:24:24,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:24:24,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:24:24,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:24:24,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:24:24,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:24:24,938 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:24:24,938 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:24:24,939 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:24:24,939 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:24:24,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:24:24,940 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:24:24,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:24:24,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:24:24,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:24:24,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:24,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:24:24,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:24:24,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:24:24,944 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:24:24,944 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:24,946 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:24:24,946 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:24:24,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:24:24,947 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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d1e5e5cc6398246832802a812900af1b138e1125bfe18c91f7c567300bec7d3 [2023-11-19 05:24:25,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:24:25,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:24:25,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:24:25,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:24:25,404 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:24:25,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-19 05:24:28,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:24:28,925 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:24:28,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-19 05:24:28,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/data/bb639561b/e37e1b8677274bf3b18e4873aa148b65/FLAGdcf047c18 [2023-11-19 05:24:28,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/data/bb639561b/e37e1b8677274bf3b18e4873aa148b65 [2023-11-19 05:24:28,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:24:28,976 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:24:28,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:28,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:24:28,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:24:28,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:28" (1/1) ... [2023-11-19 05:24:28,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4615ceb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:28, skipping insertion in model container [2023-11-19 05:24:28,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:24:28" (1/1) ... [2023-11-19 05:24:29,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:24:29,261 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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i[919,932] [2023-11-19 05:24:29,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:29,417 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:24:29,437 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_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i[919,932] [2023-11-19 05:24:29,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:24:29,494 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:24:29,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29 WrapperNode [2023-11-19 05:24:29,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:24:29,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:29,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:24:29,501 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:24:29,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,583 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2023-11-19 05:24:29,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:24:29,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:24:29,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:24:29,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:24:29,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,692 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:24:29,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:24:29,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:24:29,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:24:29,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (1/1) ... [2023-11-19 05:24:29,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:24:29,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:24:29,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:24:29,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:24:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:24:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:24:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:24:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:24:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:24:29,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:24:29,850 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:24:29,852 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:24:34,245 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:24:34,258 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:24:34,263 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:24:34,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:34 BoogieIcfgContainer [2023-11-19 05:24:34,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:24:34,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:24:34,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:24:34,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:24:34,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:24:28" (1/3) ... [2023-11-19 05:24:34,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528f2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:34, skipping insertion in model container [2023-11-19 05:24:34,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:24:29" (2/3) ... [2023-11-19 05:24:34,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528f2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:24:34, skipping insertion in model container [2023-11-19 05:24:34,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:24:34" (3/3) ... [2023-11-19 05:24:34,282 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-11.i [2023-11-19 05:24:34,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:24:34,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:24:34,384 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:24:34,392 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;@5f71f35d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:24:34,392 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:24:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 57 states have internal predecessors, (83), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:24:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 05:24:34,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:34,420 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:34,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:34,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash 356509357, now seen corresponding path program 1 times [2023-11-19 05:24:34,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:34,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1066986965] [2023-11-19 05:24:34,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:34,447 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 05:24:34,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:34,453 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:34,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:34,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:24:34,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-19 05:24:35,007 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:35,008 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:35,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1066986965] [2023-11-19 05:24:35,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1066986965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:35,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:35,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:35,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30794572] [2023-11-19 05:24:35,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:35,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:24:35,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:35,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:24:35,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:24:35,073 INFO L87 Difference]: Start difference. First operand has 86 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 57 states have internal predecessors, (83), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:24:35,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:35,116 INFO L93 Difference]: Finished difference Result 165 states and 295 transitions. [2023-11-19 05:24:35,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:24:35,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 172 [2023-11-19 05:24:35,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:35,128 INFO L225 Difference]: With dead ends: 165 [2023-11-19 05:24:35,128 INFO L226 Difference]: Without dead ends: 82 [2023-11-19 05:24:35,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 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 05:24:35,137 INFO L413 NwaCegarLoop]: 129 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, 129 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 05:24:35,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:24:35,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-19 05:24:35,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-19 05:24:35,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:24:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 129 transitions. [2023-11-19 05:24:35,203 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 129 transitions. Word has length 172 [2023-11-19 05:24:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:35,204 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 129 transitions. [2023-11-19 05:24:35,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:24:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 129 transitions. [2023-11-19 05:24:35,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 05:24:35,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:35,211 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:35,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:35,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:35,418 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:35,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:35,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1830992589, now seen corresponding path program 1 times [2023-11-19 05:24:35,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:35,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096150674] [2023-11-19 05:24:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:35,424 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 05:24:35,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:35,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:35,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:35,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:24:35,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 05:24:37,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:37,908 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:37,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096150674] [2023-11-19 05:24:37,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096150674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:37,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:37,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:37,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123584964] [2023-11-19 05:24:37,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:37,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:24:37,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:37,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:24:37,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:24:37,914 INFO L87 Difference]: Start difference. First operand 82 states and 129 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:38,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:38,076 INFO L93 Difference]: Finished difference Result 232 states and 372 transitions. [2023-11-19 05:24:38,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:24:38,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2023-11-19 05:24:38,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:38,082 INFO L225 Difference]: With dead ends: 232 [2023-11-19 05:24:38,082 INFO L226 Difference]: Without dead ends: 153 [2023-11-19 05:24:38,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:24:38,085 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 36 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:38,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 245 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:24:38,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-19 05:24:38,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 132. [2023-11-19 05:24:38,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 75 states have (on average 1.2933333333333332) internal successors, (97), 75 states have internal predecessors, (97), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 05:24:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 205 transitions. [2023-11-19 05:24:38,124 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 205 transitions. Word has length 172 [2023-11-19 05:24:38,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:38,126 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 205 transitions. [2023-11-19 05:24:38,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 205 transitions. [2023-11-19 05:24:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 05:24:38,130 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:38,131 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:38,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-19 05:24:38,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:38,338 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:38,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:38,339 INFO L85 PathProgramCache]: Analyzing trace with hash 519123053, now seen corresponding path program 1 times [2023-11-19 05:24:38,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:38,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252598538] [2023-11-19 05:24:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:38,340 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 05:24:38,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:38,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:38,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 (4)] Waiting until timeout for monitored process [2023-11-19 05:24:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:38,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:24:38,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 05:24:40,535 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:40,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:40,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252598538] [2023-11-19 05:24:40,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [252598538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:40,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:40,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:40,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21568127] [2023-11-19 05:24:40,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:40,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:24:40,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:40,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:24:40,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:24:40,560 INFO L87 Difference]: Start difference. First operand 132 states and 205 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:40,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:40,962 INFO L93 Difference]: Finished difference Result 226 states and 359 transitions. [2023-11-19 05:24:40,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:24:40,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2023-11-19 05:24:40,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:40,971 INFO L225 Difference]: With dead ends: 226 [2023-11-19 05:24:40,971 INFO L226 Difference]: Without dead ends: 147 [2023-11-19 05:24:40,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:24:40,973 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 26 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:40,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 233 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:24:40,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-19 05:24:41,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 133. [2023-11-19 05:24:41,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 76 states have (on average 1.2894736842105263) internal successors, (98), 76 states have internal predecessors, (98), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 05:24:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 206 transitions. [2023-11-19 05:24:41,008 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 206 transitions. Word has length 173 [2023-11-19 05:24:41,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:41,009 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 206 transitions. [2023-11-19 05:24:41,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2023-11-19 05:24:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 05:24:41,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:41,014 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:41,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:41,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:41,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:41,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:41,223 INFO L85 PathProgramCache]: Analyzing trace with hash -600614769, now seen corresponding path program 1 times [2023-11-19 05:24:41,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:41,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556485939] [2023-11-19 05:24:41,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:41,224 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 05:24:41,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:41,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:41,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:24:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:41,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:24:41,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:42,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 05:24:42,277 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:42,277 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:42,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556485939] [2023-11-19 05:24:42,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556485939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:42,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:42,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:24:42,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63016073] [2023-11-19 05:24:42,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:42,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:24:42,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:42,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:24:42,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:24:42,281 INFO L87 Difference]: Start difference. First operand 133 states and 206 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:42,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:42,488 INFO L93 Difference]: Finished difference Result 227 states and 359 transitions. [2023-11-19 05:24:42,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:24:42,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2023-11-19 05:24:42,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:42,492 INFO L225 Difference]: With dead ends: 227 [2023-11-19 05:24:42,492 INFO L226 Difference]: Without dead ends: 148 [2023-11-19 05:24:42,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:24:42,494 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 24 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:42,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 244 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:42,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-19 05:24:42,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 135. [2023-11-19 05:24:42,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 78 states have internal predecessors, (100), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 05:24:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 208 transitions. [2023-11-19 05:24:42,530 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 208 transitions. Word has length 174 [2023-11-19 05:24:42,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:42,531 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 208 transitions. [2023-11-19 05:24:42,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:42,532 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 208 transitions. [2023-11-19 05:24:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 05:24:42,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:42,535 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:42,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:42,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:42,742 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:42,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:42,743 INFO L85 PathProgramCache]: Analyzing trace with hash 420453585, now seen corresponding path program 1 times [2023-11-19 05:24:42,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:42,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728340648] [2023-11-19 05:24:42,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:42,745 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 05:24:42,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:42,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:42,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:43,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:24:43,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 05:24:44,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:44,910 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:44,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728340648] [2023-11-19 05:24:44,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [728340648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:44,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:24:44,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:24:44,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96136769] [2023-11-19 05:24:44,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:44,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:24:44,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:44,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:24:44,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:24:44,914 INFO L87 Difference]: Start difference. First operand 135 states and 208 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:45,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:45,686 INFO L93 Difference]: Finished difference Result 241 states and 377 transitions. [2023-11-19 05:24:45,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:24:45,689 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2023-11-19 05:24:45,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:45,693 INFO L225 Difference]: With dead ends: 241 [2023-11-19 05:24:45,693 INFO L226 Difference]: Without dead ends: 162 [2023-11-19 05:24:45,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:24:45,695 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 107 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:45,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 414 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 05:24:45,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-19 05:24:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 144. [2023-11-19 05:24:45,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 87 states have internal predecessors, (116), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 05:24:45,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 224 transitions. [2023-11-19 05:24:45,737 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 224 transitions. Word has length 174 [2023-11-19 05:24:45,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:45,738 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 224 transitions. [2023-11-19 05:24:45,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 224 transitions. [2023-11-19 05:24:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 05:24:45,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:45,741 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:45,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:45,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:45,948 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:45,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:45,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1615218474, now seen corresponding path program 1 times [2023-11-19 05:24:45,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:45,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374430263] [2023-11-19 05:24:45,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:45,950 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 05:24:45,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:45,951 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:45,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 (7)] Waiting until timeout for monitored process [2023-11-19 05:24:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:46,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:24:46,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-19 05:24:47,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:24:47,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-19 05:24:47,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:47,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374430263] [2023-11-19 05:24:47,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [374430263] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:24:47,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1546629010] [2023-11-19 05:24:47,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:47,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:47,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:24:47,540 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:24:47,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 05:24:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:48,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:24:48,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 05:24:48,164 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:48,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1546629010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:48,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:24:48,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 11 [2023-11-19 05:24:48,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767838611] [2023-11-19 05:24:48,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:48,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:48,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:48,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:48,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:24:48,167 INFO L87 Difference]: Start difference. First operand 144 states and 224 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:48,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:48,417 INFO L93 Difference]: Finished difference Result 299 states and 470 transitions. [2023-11-19 05:24:48,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:48,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-19 05:24:48,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:48,421 INFO L225 Difference]: With dead ends: 299 [2023-11-19 05:24:48,421 INFO L226 Difference]: Without dead ends: 220 [2023-11-19 05:24:48,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:24:48,423 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 116 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:48,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 562 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:24:48,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-19 05:24:48,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 205. [2023-11-19 05:24:48,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 120 states have internal predecessors, (155), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-19 05:24:48,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 317 transitions. [2023-11-19 05:24:48,467 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 317 transitions. Word has length 175 [2023-11-19 05:24:48,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:48,468 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 317 transitions. [2023-11-19 05:24:48,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 317 transitions. [2023-11-19 05:24:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 05:24:48,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:48,472 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:48,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:48,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:48,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:48,877 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:48,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:48,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1617065516, now seen corresponding path program 1 times [2023-11-19 05:24:48,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:48,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065637440] [2023-11-19 05:24:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:48,878 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 05:24:48,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:48,880 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:48,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 05:24:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:49,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:24:49,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-19 05:24:49,840 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:24:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-19 05:24:50,353 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:50,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065637440] [2023-11-19 05:24:50,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065637440] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:24:50,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [240789956] [2023-11-19 05:24:50,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:50,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:50,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:24:50,355 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:24:50,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-19 05:24:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:51,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:24:51,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 05:24:52,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:24:52,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [240789956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:24:52,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:24:52,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 11 [2023-11-19 05:24:52,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807661677] [2023-11-19 05:24:52,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:24:52,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:24:52,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:24:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:24:52,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:24:52,504 INFO L87 Difference]: Start difference. First operand 205 states and 317 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:54,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:55,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:59,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:59,288 INFO L93 Difference]: Finished difference Result 349 states and 542 transitions. [2023-11-19 05:24:59,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:59,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-19 05:24:59,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:59,295 INFO L225 Difference]: With dead ends: 349 [2023-11-19 05:24:59,296 INFO L226 Difference]: Without dead ends: 209 [2023-11-19 05:24:59,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:24:59,298 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 106 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:59,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 284 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-19 05:24:59,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-19 05:24:59,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 205. [2023-11-19 05:24:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 120 states have internal predecessors, (151), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-19 05:24:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 313 transitions. [2023-11-19 05:24:59,335 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 313 transitions. Word has length 175 [2023-11-19 05:24:59,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:59,336 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 313 transitions. [2023-11-19 05:24:59,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:24:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 313 transitions. [2023-11-19 05:24:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 05:24:59,339 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:59,340 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:59,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-11-19 05:24:59,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-19 05:24:59,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:59,747 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:59,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:59,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1620025736, now seen corresponding path program 1 times [2023-11-19 05:24:59,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:59,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950169769] [2023-11-19 05:24:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:59,749 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 05:24:59,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:59,750 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 05:24:59,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/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 (11)] Waiting until timeout for monitored process [2023-11-19 05:25:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:00,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:25:00,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-19 05:25:00,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-19 05:25:01,406 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:01,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950169769] [2023-11-19 05:25:01,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950169769] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:01,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [106792918] [2023-11-19 05:25:01,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:01,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:01,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:25:01,408 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:25:01,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-19 05:25:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:02,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:25:02,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-19 05:25:03,409 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-19 05:25:03,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [106792918] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:03,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637045041] [2023-11-19 05:25:03,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:03,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:25:03,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:03,829 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:25:03,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff1aed2-c52b-4fbc-a413-a05d39e27ff7/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 05:25:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:03,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:25:04,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 308 proven. 69 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2023-11-19 05:25:05,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 9 proven. 69 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-19 05:25:06,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637045041] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:25:06,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:25:06,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 7] total 15 [2023-11-19 05:25:06,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91138637] [2023-11-19 05:25:06,192 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:25:06,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 05:25:06,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:06,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 05:25:06,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-11-19 05:25:06,196 INFO L87 Difference]: Start difference. First operand 205 states and 313 transitions. Second operand has 15 states, 15 states have (on average 7.266666666666667) internal successors, (109), 15 states have internal predecessors, (109), 5 states have call successors, (100), 4 states have call predecessors, (100), 8 states have return successors, (102), 5 states have call predecessors, (102), 5 states have call successors, (102)