./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f78f07977a6a6c060ce47508f319b35375a64382f2792ef417cdb466597e7230 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:05,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:05,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:29:05,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:05,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:06,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:06,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:06,032 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:06,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:06,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:06,039 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:06,041 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:06,041 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:06,043 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:06,044 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:06,044 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:06,045 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:06,045 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:06,046 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:06,046 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:06,047 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:06,047 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:06,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:06,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:06,049 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:06,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:06,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:06,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:06,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:06,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:06,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:06,054 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:06,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:06,054 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:06,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:06,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:06,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:06,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:06,055 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:06,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:06,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:06,056 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:06,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:06,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:06,057 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:06,058 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:06,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:06,058 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_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78f07977a6a6c060ce47508f319b35375a64382f2792ef417cdb466597e7230 [2023-11-23 21:29:06,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:06,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:06,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:06,432 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:06,433 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:06,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i [2023-11-23 21:29:09,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:10,005 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:10,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i [2023-11-23 21:29:10,022 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/data/7f8471a7d/f4e09fdbfb1e48d9a8f319469353c6b0/FLAGbfaca7189 [2023-11-23 21:29:10,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/data/7f8471a7d/f4e09fdbfb1e48d9a8f319469353c6b0 [2023-11-23 21:29:10,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:10,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:10,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:10,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:10,064 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:10,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b5f01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10, skipping insertion in model container [2023-11-23 21:29:10,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:10,340 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_1e6c275a-4f15-4684-94bd-f4718a1d3b32/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i[916,929] [2023-11-23 21:29:10,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:10,506 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:10,527 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_1e6c275a-4f15-4684-94bd-f4718a1d3b32/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i[916,929] [2023-11-23 21:29:10,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:10,606 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:10,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10 WrapperNode [2023-11-23 21:29:10,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:10,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:10,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:10,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:10,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,710 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-11-23 21:29:10,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:10,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:10,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:10,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:10,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,764 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:10,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:10,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:10,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:10,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (1/1) ... [2023-11-23 21:29:10,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:10,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:10,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:10,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:10,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:10,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:10,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:11,053 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:11,056 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:11,652 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:11,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:11,959 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:11,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:11 BoogieIcfgContainer [2023-11-23 21:29:11,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:11,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:11,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:11,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:11,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:10" (1/3) ... [2023-11-23 21:29:11,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a5b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:11, skipping insertion in model container [2023-11-23 21:29:11,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:10" (2/3) ... [2023-11-23 21:29:11,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a5b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:11, skipping insertion in model container [2023-11-23 21:29:11,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:11" (3/3) ... [2023-11-23 21:29:11,974 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-97.i [2023-11-23 21:29:11,996 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:11,996 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:12,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:12,079 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;@3e6457ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:12,079 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:29:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 21:29:12,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:12,100 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:12,100 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:12,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:12,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1775403702, now seen corresponding path program 1 times [2023-11-23 21:29:12,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:12,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346813568] [2023-11-23 21:29:12,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:12,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:12,382 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:29:12,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957000315] [2023-11-23 21:29:12,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:12,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:29:12,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:12,393 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:29:12,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:29:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:29:12,989 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:29:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:29:13,218 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:29:13,221 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:29:13,223 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:29:13,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:29:13,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:29:13,441 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:29:13,446 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:29:13,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:29:13 BoogieIcfgContainer [2023-11-23 21:29:13,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:29:13,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:29:13,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:29:13,619 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:29:13,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:11" (3/4) ... [2023-11-23 21:29:13,622 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:29:13,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:29:13,625 INFO L158 Benchmark]: Toolchain (without parser) took 3571.07ms. Allocated memory is still 138.4MB. Free memory was 101.9MB in the beginning and 65.0MB in the end (delta: 36.9MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:13,625 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:13,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.11ms. Allocated memory is still 138.4MB. Free memory was 101.9MB in the beginning and 85.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:29:13,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.16ms. Allocated memory is still 138.4MB. Free memory was 85.6MB in the beginning and 81.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:29:13,627 INFO L158 Benchmark]: Boogie Preprocessor took 59.64ms. Allocated memory is still 138.4MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:13,628 INFO L158 Benchmark]: RCFGBuilder took 1188.66ms. Allocated memory is still 138.4MB. Free memory was 78.8MB in the beginning and 56.8MB in the end (delta: 22.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-23 21:29:13,629 INFO L158 Benchmark]: TraceAbstraction took 1654.08ms. Allocated memory is still 138.4MB. Free memory was 56.0MB in the beginning and 65.9MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:13,629 INFO L158 Benchmark]: Witness Printer took 4.89ms. Allocated memory is still 138.4MB. Free memory was 65.9MB in the beginning and 65.0MB in the end (delta: 909.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:13,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 107.0MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.11ms. Allocated memory is still 138.4MB. Free memory was 101.9MB in the beginning and 85.6MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.16ms. Allocated memory is still 138.4MB. Free memory was 85.6MB in the beginning and 81.1MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.64ms. Allocated memory is still 138.4MB. Free memory was 81.1MB in the beginning and 79.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1188.66ms. Allocated memory is still 138.4MB. Free memory was 78.8MB in the beginning and 56.8MB in the end (delta: 22.0MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1654.08ms. Allocated memory is still 138.4MB. Free memory was 56.0MB in the beginning and 65.9MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.89ms. Allocated memory is still 138.4MB. Free memory was 65.9MB in the beginning and 65.0MB in the end (delta: 909.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of someUnaryDOUBLEoperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of someBinaryArithmeticFLOAToperation at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 4; [L23] unsigned char var_1_2 = 0; [L24] unsigned long int var_1_7 = 2819353023; [L25] signed short int var_1_9 = 25; [L26] signed short int var_1_10 = 25; [L27] signed short int var_1_11 = 0; [L28] float var_1_12 = 255.8; [L29] unsigned char var_1_14 = 200; [L30] unsigned char var_1_15 = 5; [L31] unsigned char var_1_16 = 4; [L32] float var_1_17 = 99999.5; [L33] float var_1_18 = 63.4; [L34] double var_1_19 = 63.5; [L35] double var_1_20 = 9.95; [L36] double var_1_21 = 5.7; [L37] double var_1_22 = 3.85; [L38] unsigned char var_1_23 = 1; [L39] unsigned char var_1_24 = 0; [L40] unsigned long int var_1_25 = 0; [L41] unsigned long int var_1_26 = 16; [L42] unsigned long int var_1_27 = 1840944138; [L43] unsigned short int var_1_28 = 0; [L44] float var_1_29 = 1.1; [L45] signed char var_1_30 = 25; [L46] unsigned char last_1_var_1_23 = 1; [L47] float last_1_var_1_29 = 1.1; [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] CALL updateLastVariables() [L184] last_1_var_1_23 = var_1_23 [L185] last_1_var_1_29 = var_1_29 [L195] RET updateLastVariables() [L196] CALL updateVariables() [L144] var_1_2 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L146] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2819353023, var_1_9=25] [L147] var_1_7 = __VERIFIER_nondet_ulong() [L148] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L149] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=25, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L150] var_1_10 = __VERIFIER_nondet_short() [L151] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L152] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=0, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L153] var_1_11 = __VERIFIER_nondet_short() [L154] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L155] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=200, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L156] var_1_14 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_14 >= 191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_14 >= 191) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L158] CALL assume_abort_if_not(var_1_14 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_14 <= 255) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=5, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L159] var_1_15 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L161] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=4, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L162] var_1_16 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L164] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_17=199999/2, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L165] var_1_17 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_18=317/5, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L167] var_1_18 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_20=199/20, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L169] var_1_20 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_20 >= 0.0F && 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_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_20 >= 0.0F && 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_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_21=57/10, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L171] var_1_21 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L173] var_1_24 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L175] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=16, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L176] var_1_26 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L178] CALL assume_abort_if_not(var_1_26 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_26 <= 536870912) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=1840944138, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L179] var_1_27 = __VERIFIER_nondet_ulong() [L180] CALL assume_abort_if_not(var_1_27 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=2147483647, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_27 >= 1073741823) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=2147483647, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L181] CALL assume_abort_if_not(var_1_27 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=2147483647, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_27 <= 2147483647) VAL [isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=1279/5, var_1_14=191, var_1_15=0, var_1_16=0, var_1_19=127/2, var_1_1=4, var_1_22=77/20, var_1_23=1, var_1_24=0, var_1_25=0, var_1_26=191, var_1_27=2147483647, var_1_28=0, var_1_29=11/10, var_1_2=1, var_1_30=25, var_1_7=2147483647, var_1_9=25] [L196] RET updateVariables() [L197] CALL step() [L51] COND TRUE var_1_21 < (256.8 - var_1_20) [L52] var_1_22 = ((((var_1_18) < (var_1_17)) ? (var_1_18) : (var_1_17))) [L56] COND TRUE ((((4.8f) < 0 ) ? -(4.8f) : (4.8f))) == var_1_18 [L57] var_1_23 = (last_1_var_1_23 && (var_1_2 && var_1_24)) [L61] unsigned long int stepLocal_5 = var_1_26; [L62] COND FALSE !(stepLocal_5 < var_1_11) [L69] var_1_28 = var_1_11 [L71] COND TRUE last_1_var_1_29 > 1.9 [L72] var_1_29 = var_1_20 [L76] unsigned char stepLocal_6 = var_1_14; [L77] COND TRUE var_1_28 >= stepLocal_6 [L78] var_1_30 = ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) [L84] COND FALSE !((var_1_28 <= (var_1_28 / var_1_7)) || var_1_23) [L87] COND FALSE !(var_1_23 || var_1_23) [L90] var_1_9 = -8 [L93] COND FALSE !(var_1_22 < var_1_17) [L96] var_1_25 = ((var_1_27 - var_1_16) + var_1_15) [L98] signed long int stepLocal_4 = (((var_1_16 - var_1_14) < 0 ) ? -(var_1_16 - var_1_14) : (var_1_16 - var_1_14)); [L99] signed long int stepLocal_3 = 64; [L100] COND FALSE !(var_1_16 >= stepLocal_3) [L105] COND TRUE var_1_25 > stepLocal_4 [L106] var_1_19 = (((((((((499.698) > (var_1_20)) ? (499.698) : (var_1_20))) - var_1_21)) < (var_1_17)) ? ((((((499.698) > (var_1_20)) ? (499.698) : (var_1_20))) - var_1_21)) : (var_1_17))) [L111] COND TRUE var_1_23 || (var_1_19 < var_1_19) [L112] COND TRUE ((var_1_14 - var_1_15) - var_1_16) > var_1_10 [L113] var_1_12 = (var_1_17 + var_1_18) [L120] unsigned short int stepLocal_2 = var_1_28; [L121] unsigned char stepLocal_1 = var_1_23; [L122] unsigned long int stepLocal_0 = var_1_7 - var_1_28; [L123] COND FALSE !(stepLocal_1 && var_1_23) [L128] COND FALSE !(stepLocal_0 <= ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) [L139] var_1_1 = var_1_28 [L197] RET step() [L198] CALL, EXPR property() [L188-L189] return ((((((((((var_1_23 && var_1_23) ? ((var_1_12 == var_1_22) ? (var_1_1 == ((unsigned long int) (var_1_28 + 10u))) : 1) : (((var_1_7 - var_1_28) <= ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) ? ((var_1_22 != var_1_12) ? ((var_1_7 < var_1_28) ? (var_1_1 == ((unsigned long int) var_1_28)) : (var_1_1 == ((unsigned long int) var_1_28))) : (var_1_1 == ((unsigned long int) var_1_28))) : (var_1_1 == ((unsigned long int) var_1_28)))) && (((var_1_28 <= (var_1_28 / var_1_7)) || var_1_23) ? (var_1_9 == ((signed short int) (var_1_10 - var_1_11))) : ((var_1_23 || var_1_23) ? (var_1_9 == ((signed short int) var_1_11)) : (var_1_9 == ((signed short int) -8))))) && ((var_1_23 || (var_1_19 < var_1_19)) ? ((((var_1_14 - var_1_15) - var_1_16) > var_1_10) ? (var_1_12 == ((float) (var_1_17 + var_1_18))) : (var_1_12 == ((float) var_1_18))) : (var_1_12 == ((float) var_1_17)))) && ((var_1_16 >= 64) ? ((var_1_22 != var_1_17) ? (var_1_19 == ((double) var_1_17)) : 1) : ((var_1_25 > ((((var_1_16 - var_1_14) < 0 ) ? -(var_1_16 - var_1_14) : (var_1_16 - var_1_14)))) ? (var_1_19 == ((double) (((((((((499.698) > (var_1_20)) ? (499.698) : (var_1_20))) - var_1_21)) < (var_1_17)) ? ((((((499.698) > (var_1_20)) ? (499.698) : (var_1_20))) - var_1_21)) : (var_1_17))))) : (var_1_19 == ((double) 9.2))))) && ((var_1_21 < (256.8 - var_1_20)) ? (var_1_22 == ((double) ((((var_1_18) < (var_1_17)) ? (var_1_18) : (var_1_17))))) : (var_1_22 == ((double) (var_1_17 + ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))))))) && ((((((4.8f) < 0 ) ? -(4.8f) : (4.8f))) == var_1_18) ? (var_1_23 == ((unsigned char) (last_1_var_1_23 && (var_1_2 && var_1_24)))) : (var_1_23 == ((unsigned char) var_1_24)))) && ((var_1_22 < var_1_17) ? (var_1_25 == ((unsigned long int) (var_1_16 + ((var_1_14 + var_1_28) + var_1_11)))) : (var_1_25 == ((unsigned long int) ((var_1_27 - var_1_16) + var_1_15))))) && ((var_1_26 < var_1_11) ? (var_1_24 ? (var_1_28 == ((unsigned short int) ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (var_1_14)) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (var_1_14))))) : (var_1_28 == ((unsigned short int) ((((var_1_14) < (var_1_11)) ? (var_1_14) : (var_1_11)))))) : (var_1_28 == ((unsigned short int) var_1_11)))) && ((last_1_var_1_29 > 1.9) ? (var_1_29 == ((float) var_1_20)) : (var_1_29 == ((float) ((((var_1_21 - var_1_20) < 0 ) ? -(var_1_21 - var_1_20) : (var_1_21 - var_1_20))))))) && ((var_1_28 >= var_1_14) ? (var_1_30 == ((signed char) ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))))) : ((! var_1_23) ? (var_1_30 == ((signed char) ((((-1) < 0 ) ? -(-1) : (-1))))) : 1)) ; [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=0, var_1_14=191, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=3, var_1_19=2, var_1_1=191, var_1_20=4, var_1_22=3, var_1_23=0, var_1_24=0, var_1_25=2147483647, var_1_26=191, var_1_27=2147483647, var_1_28=191, var_1_29=4, var_1_2=1, var_1_30=0, var_1_7=2147483647, var_1_9=-8] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_23=1, last_1_var_1_29=11/10, var_1_10=-1, var_1_11=191, var_1_12=0, var_1_14=191, var_1_15=0, var_1_16=0, var_1_17=2, var_1_18=3, var_1_19=2, var_1_1=191, var_1_20=4, var_1_22=3, var_1_23=0, var_1_24=0, var_1_25=2147483647, var_1_26=191, var_1_27=2147483647, var_1_28=191, var_1_29=4, var_1_2=1, var_1_30=0, var_1_7=2147483647, var_1_9=-8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 24, 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=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:29:13,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f78f07977a6a6c060ce47508f319b35375a64382f2792ef417cdb466597e7230 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:16,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:16,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:29:16,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:16,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:16,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:16,792 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:16,793 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:16,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:16,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:16,801 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:16,801 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:16,802 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:16,804 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:16,804 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:16,805 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:16,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:16,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:16,807 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:16,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:16,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:16,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:16,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:16,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:16,811 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:29:16,811 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:29:16,812 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:29:16,813 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:16,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:16,813 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:16,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:16,815 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:29:16,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:16,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:16,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:16,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:16,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:16,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:16,818 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:29:16,819 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:29:16,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:16,820 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:16,820 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:16,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:16,821 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_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f78f07977a6a6c060ce47508f319b35375a64382f2792ef417cdb466597e7230 [2023-11-23 21:29:17,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:17,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:17,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:17,403 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:17,403 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:17,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i [2023-11-23 21:29:20,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:21,318 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:21,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i [2023-11-23 21:29:21,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/data/38ed6857b/379ce187537f4d588d8946b19eff0699/FLAG428b9e3ad [2023-11-23 21:29:21,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/data/38ed6857b/379ce187537f4d588d8946b19eff0699 [2023-11-23 21:29:21,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:21,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:21,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:21,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:21,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:21,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:21" (1/1) ... [2023-11-23 21:29:21,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c4c127b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:21, skipping insertion in model container [2023-11-23 21:29:21,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:21" (1/1) ... [2023-11-23 21:29:21,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:21,664 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_1e6c275a-4f15-4684-94bd-f4718a1d3b32/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i[916,929] [2023-11-23 21:29:21,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:21,836 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:21,857 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_1e6c275a-4f15-4684-94bd-f4718a1d3b32/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-97.i[916,929] [2023-11-23 21:29:22,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:22,042 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:22,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22 WrapperNode [2023-11-23 21:29:22,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:22,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:22,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:22,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:22,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,138 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-23 21:29:22,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:22,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:22,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:22,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:22,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:22,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:22,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:22,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:22,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (1/1) ... [2023-11-23 21:29:22,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:22,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:22,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:22,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:22,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:22,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:29:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:29:22,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:29:22,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:22,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:22,440 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:22,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:30,616 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:30,673 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:30,674 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:29:30,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:30 BoogieIcfgContainer [2023-11-23 21:29:30,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:30,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:30,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:30,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:30,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:21" (1/3) ... [2023-11-23 21:29:30,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16232b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:30, skipping insertion in model container [2023-11-23 21:29:30,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:22" (2/3) ... [2023-11-23 21:29:30,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16232b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:30, skipping insertion in model container [2023-11-23 21:29:30,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:30" (3/3) ... [2023-11-23 21:29:30,686 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-97.i [2023-11-23 21:29:30,710 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:30,710 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:30,790 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:30,800 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;@48ba59c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:30,801 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:29:30,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-23 21:29:30,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:30,831 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:30,831 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:30,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:30,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1821303811, now seen corresponding path program 1 times [2023-11-23 21:29:30,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:30,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1838698446] [2023-11-23 21:29:30,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:30,855 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:30,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:30,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:30,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:29:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:31,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:29:31,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-11-23 21:29:31,860 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:31,861 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:31,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1838698446] [2023-11-23 21:29:31,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1838698446] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:31,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:31,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:31,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418976335] [2023-11-23 21:29:31,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:31,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:29:31,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:31,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:29:31,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:31,912 INFO L87 Difference]: Start difference. First operand has 75 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 49 states have internal predecessors, (73), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 21:29:34,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:34,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:34,292 INFO L93 Difference]: Finished difference Result 147 states and 264 transitions. [2023-11-23 21:29:34,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:29:34,351 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 155 [2023-11-23 21:29:34,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:34,359 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:29:34,360 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:29:34,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:34,368 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:34,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:29:34,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:29:34,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:29:34,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 47 states have (on average 1.446808510638298) internal successors, (68), 47 states have internal predecessors, (68), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 21:29:34,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 116 transitions. [2023-11-23 21:29:34,422 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 116 transitions. Word has length 155 [2023-11-23 21:29:34,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:34,423 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 116 transitions. [2023-11-23 21:29:34,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 21:29:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2023-11-23 21:29:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-23 21:29:34,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:34,429 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:34,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:29:34,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:34,633 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:34,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:34,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1769755653, now seen corresponding path program 1 times [2023-11-23 21:29:34,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:29:34,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636020648] [2023-11-23 21:29:34,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:34,636 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:29:34,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:29:34,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:29:34,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:29:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:35,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:29:35,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:29:39,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-23 21:29:39,470 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:29:39,470 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:29:39,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636020648] [2023-11-23 21:29:39,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636020648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:39,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:39,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:39,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267459277] [2023-11-23 21:29:39,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:39,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:39,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:29:39,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:39,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:39,477 INFO L87 Difference]: Start difference. First operand 73 states and 116 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 21:29:41,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:45,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:47,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:52,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:55,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:57,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:59,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:29:59,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:59,856 INFO L93 Difference]: Finished difference Result 218 states and 347 transitions. [2023-11-23 21:29:59,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:29:59,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 155 [2023-11-23 21:29:59,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:59,867 INFO L225 Difference]: With dead ends: 218 [2023-11-23 21:29:59,867 INFO L226 Difference]: Without dead ends: 146 [2023-11-23 21:29:59,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:59,870 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 71 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 49 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:59,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 277 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 66 Invalid, 5 Unknown, 0 Unchecked, 20.3s Time] [2023-11-23 21:29:59,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-23 21:29:59,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2023-11-23 21:29:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 71 states have (on average 1.352112676056338) internal successors, (96), 71 states have internal predecessors, (96), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-23 21:29:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 192 transitions. [2023-11-23 21:29:59,923 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 192 transitions. Word has length 155 [2023-11-23 21:29:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:59,925 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 192 transitions. [2023-11-23 21:29:59,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 21:29:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 192 transitions. [2023-11-23 21:29:59,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-23 21:29:59,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:59,934 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:59,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:30:00,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:30:00,151 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:30:00,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:00,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1245347965, now seen corresponding path program 1 times [2023-11-23 21:30:00,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:30:00,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787340931] [2023-11-23 21:30:00,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:00,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:30:00,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:30:00,155 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:30:00,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 21:30:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:00,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:30:00,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2023-11-23 21:30:01,526 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:30:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-23 21:30:02,409 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:30:02,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787340931] [2023-11-23 21:30:02,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787340931] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:30:02,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1272926510] [2023-11-23 21:30:02,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:02,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:30:02,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:30:02,417 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:30:02,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e6c275a-4f15-4684-94bd-f4718a1d3b32/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:30:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:03,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:30:03,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:30:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-23 21:30:03,469 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:30:03,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1272926510] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:03,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:30:03,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7] total 9 [2023-11-23 21:30:03,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879898506] [2023-11-23 21:30:03,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:03,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:30:03,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:30:03,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:30:03,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:30:03,474 INFO L87 Difference]: Start difference. First operand 122 states and 192 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 21:30:05,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:30:07,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []