./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc64153296dc642c3e2bd44e3ebeef6a189da210d3433ada7ca895121669a4e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:37,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:37,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:52:37,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:37,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:37,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:37,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:37,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:37,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:37,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:37,558 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:37,559 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:37,560 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:37,560 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:37,561 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:37,561 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:37,562 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:37,563 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:37,563 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:37,564 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:37,564 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:37,565 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:37,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:37,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:37,567 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:52:37,568 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:37,568 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:52:37,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:37,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:37,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:37,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:37,571 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:52:37,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:37,572 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:37,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:37,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:37,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:37,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:37,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:37,575 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:37,575 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:37,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:37,576 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:37,576 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:37,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:37,577 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_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc64153296dc642c3e2bd44e3ebeef6a189da210d3433ada7ca895121669a4e6 [2023-11-19 04:52:37,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:37,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:37,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:37,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:37,910 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:37,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i [2023-11-19 04:52:41,087 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:41,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:41,459 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i [2023-11-19 04:52:41,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/data/4eac02db3/74c615ad4fb9427b96880a2fd031875f/FLAG344d2ea73 [2023-11-19 04:52:41,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/data/4eac02db3/74c615ad4fb9427b96880a2fd031875f [2023-11-19 04:52:41,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:41,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:41,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:41,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:41,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:41,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:41,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b41113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:41, skipping insertion in model container [2023-11-19 04:52:41,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:41" (1/1) ... [2023-11-19 04:52:41,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:41,821 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_728e7bcd-cac2-4dd9-82b2-4df05fd04665/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i[915,928] [2023-11-19 04:52:41,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:41,983 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:42,004 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_728e7bcd-cac2-4dd9-82b2-4df05fd04665/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i[915,928] [2023-11-19 04:52:42,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:42,105 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:42,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42 WrapperNode [2023-11-19 04:52:42,106 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:42,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:42,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:42,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:42,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,232 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 253 [2023-11-19 04:52:42,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:42,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:42,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:42,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:42,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:42,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:42,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:42,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:42,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (1/1) ... [2023-11-19 04:52:42,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:42,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:42,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:42,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:52:42,464 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:52:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:52:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:42,625 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:42,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:52:43,336 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:52:43,879 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:52:43,879 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:52:43,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:43 BoogieIcfgContainer [2023-11-19 04:52:43,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:52:43,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:52:43,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:52:43,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:52:43,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:41" (1/3) ... [2023-11-19 04:52:43,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4473ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:43, skipping insertion in model container [2023-11-19 04:52:43,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:42" (2/3) ... [2023-11-19 04:52:43,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4473ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:52:43, skipping insertion in model container [2023-11-19 04:52:43,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:43" (3/3) ... [2023-11-19 04:52:43,905 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-9.i [2023-11-19 04:52:43,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:52:43,929 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:52:44,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:52:44,022 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;@ba6cbb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:52:44,023 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:52:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:52:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 04:52:44,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:52:44,044 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:52:44,044 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:52:44,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:52:44,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1612927200, now seen corresponding path program 1 times [2023-11-19 04:52:44,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:52:44,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426726350] [2023-11-19 04:52:44,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:44,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:52:44,328 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:52:44,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2039923101] [2023-11-19 04:52:44,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:52:44,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:52:44,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:44,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:52:44,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:52:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:52:44,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:52:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:52:44,949 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:52:44,952 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:52:44,954 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:52:44,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:52:45,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:52:45,185 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:52:45,191 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:52:45,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:52:45 BoogieIcfgContainer [2023-11-19 04:52:45,368 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:52:45,369 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:52:45,369 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:52:45,369 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:52:45,370 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:52:43" (3/4) ... [2023-11-19 04:52:45,376 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:52:45,377 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:52:45,379 INFO L158 Benchmark]: Toolchain (without parser) took 3867.95ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 90.3MB in the end (delta: 13.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-19 04:52:45,380 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:52:45,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.48ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 87.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:52:45,383 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.64ms. Allocated memory is still 146.8MB. Free memory was 87.2MB in the beginning and 79.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:52:45,390 INFO L158 Benchmark]: Boogie Preprocessor took 135.83ms. Allocated memory is still 146.8MB. Free memory was 79.9MB in the beginning and 76.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:52:45,392 INFO L158 Benchmark]: RCFGBuilder took 1518.69ms. Allocated memory is still 146.8MB. Free memory was 76.5MB in the beginning and 79.8MB in the end (delta: -3.4MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-19 04:52:45,392 INFO L158 Benchmark]: TraceAbstraction took 1474.94ms. Allocated memory is still 146.8MB. Free memory was 79.8MB in the beginning and 90.3MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:52:45,393 INFO L158 Benchmark]: Witness Printer took 8.15ms. Allocated memory is still 146.8MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:52:45,402 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.48ms. Allocated memory is still 146.8MB. Free memory was 103.4MB in the beginning and 87.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.64ms. Allocated memory is still 146.8MB. Free memory was 87.2MB in the beginning and 79.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.83ms. Allocated memory is still 146.8MB. Free memory was 79.9MB in the beginning and 76.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1518.69ms. Allocated memory is still 146.8MB. Free memory was 76.5MB in the beginning and 79.8MB in the end (delta: -3.4MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1474.94ms. Allocated memory is still 146.8MB. Free memory was 79.8MB in the beginning and 90.3MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.15ms. Allocated memory is still 146.8MB. Free memory is still 90.3MB. 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 someBinaryDOUBLEComparisonOperation at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 57, overapproximation of bitwiseAnd at line 129. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -128; [L23] double var_1_4 = 99999999999.6; [L24] unsigned char var_1_5 = 1; [L25] signed long int var_1_6 = -5; [L26] signed char var_1_10 = 64; [L27] signed char var_1_11 = 16; [L28] signed char var_1_12 = 4; [L29] signed char var_1_13 = 64; [L30] unsigned short int var_1_14 = 64; [L31] unsigned char var_1_16 = 8; [L32] unsigned char var_1_17 = 200; [L33] unsigned char var_1_18 = 1; [L34] signed long int var_1_19 = 10; [L35] signed long int var_1_20 = -256; [L36] signed char var_1_21 = 25; [L37] signed char var_1_23 = 1; [L38] signed char var_1_24 = 5; [L39] unsigned char var_1_25 = 0; [L40] double var_1_26 = 8.125; [L41] double var_1_27 = 0.875; [L42] double var_1_28 = 15.6; [L43] double var_1_29 = 2.5; [L44] unsigned long int var_1_30 = 25; [L45] signed long int var_1_31 = 50; [L46] signed short int var_1_32 = -8; [L47] unsigned char var_1_33 = 100; [L48] signed long int last_1_var_1_6 = -5; [L49] signed long int last_1_var_1_20 = -256; [L50] signed char last_1_var_1_21 = 25; [L203] isInitial = 1 [L204] FCALL initially() [L205] COND TRUE 1 [L206] CALL updateLastVariables() [L194] last_1_var_1_6 = var_1_6 [L195] last_1_var_1_20 = var_1_20 [L196] last_1_var_1_21 = var_1_21 [L206] RET updateLastVariables() [L207] CALL updateVariables() [L152] var_1_4 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L154] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L155] var_1_5 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L157] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=16, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L158] var_1_11 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L160] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=4, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L161] var_1_12 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L163] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=64, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L164] var_1_13 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L166] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=200, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L167] var_1_17 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_17 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_17 >= 190) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L169] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=1, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L170] var_1_18 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L172] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=1, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L173] var_1_23 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L175] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=5, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L176] var_1_24 = __VERIFIER_nondet_char() [L177] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L178] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=0, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L179] var_1_25 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L181] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=7/8, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L182] var_1_27 = __VERIFIER_nondet_double() [L183] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=78/5, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L184] var_1_28 = __VERIFIER_nondet_double() [L185] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 4611686.018427382800e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 4611686.018427382800e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=5/2, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L186] var_1_29 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_29 >= -461168.6018427382800e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_29 >= -461168.6018427382800e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 4611686.018427382800e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=25, var_1_31=50, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L188] var_1_31 = __VERIFIER_nondet_long() [L189] CALL assume_abort_if_not(var_1_31 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=25, var_1_31=1, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_31 >= -2147483648) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=25, var_1_31=1, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L190] CALL assume_abort_if_not(var_1_31 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=25, var_1_31=1, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_31 <= 2147483647) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=25, var_1_31=1, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L191] CALL assume_abort_if_not(var_1_31 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=25, var_1_31=1, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_31 != 0) VAL [isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=64, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=64, var_1_16=8, var_1_17=190, var_1_18=32, var_1_19=10, var_1_1=-128, var_1_20=-256, var_1_21=25, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=65/8, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=25, var_1_31=1, var_1_32=-8, var_1_33=100, var_1_5=1, var_1_6=-5] [L207] RET updateVariables() [L208] CALL step() [L54] COND TRUE \read(var_1_5) [L55] COND TRUE (last_1_var_1_6 < 1) || var_1_25 [L56] COND TRUE \read(var_1_25) [L57] var_1_26 = ((var_1_27 - var_1_28) + var_1_29) [L65] COND FALSE !((- var_1_26) >= (var_1_26 / var_1_4)) [L70] var_1_32 = var_1_23 [L71] var_1_33 = var_1_18 [L72] COND FALSE !(! var_1_5) [L87] var_1_14 = var_1_13 [L89] unsigned short int stepLocal_0 = var_1_14; [L90] COND FALSE !(! var_1_5) [L95] var_1_16 = var_1_18 [L97] var_1_19 = var_1_16 [L98] COND FALSE !(((-32 + var_1_33) / var_1_17) >= ((var_1_13 - var_1_33) / var_1_31)) [L105] var_1_30 = var_1_33 [L107] COND FALSE !(var_1_1 == 0) [L110] COND FALSE !(var_1_14 < var_1_1) [L113] var_1_6 = var_1_1 [L116] COND TRUE \read(var_1_5) [L117] var_1_10 = var_1_11 [L125] COND TRUE \read(var_1_5) [L126] var_1_20 = -10000000 [L142] unsigned char stepLocal_1 = var_1_5; [L143] EXPR last_1_var_1_21 & var_1_10 [L143] COND TRUE ((last_1_var_1_21 & var_1_10) >= var_1_12) && stepLocal_1 [L144] var_1_21 = (var_1_18 + (var_1_23 - var_1_24)) [L208] RET step() [L209] CALL, EXPR property() [L199] EXPR ((((((((- var_1_26) >= (var_1_26 / var_1_4)) ? (var_1_5 ? (var_1_1 == ((signed long int) 10)) : 1) : 1) && ((var_1_1 == 0) ? (var_1_6 == ((signed long int) (((((var_1_1 + var_1_32)) > (var_1_14)) ? ((var_1_1 + var_1_32)) : (var_1_14))))) : ((var_1_14 < var_1_1) ? (var_1_6 == ((signed long int) var_1_1)) : (var_1_6 == ((signed long int) var_1_1))))) && (var_1_5 ? (var_1_10 == ((signed char) var_1_11)) : ((var_1_33 == ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_10 == ((signed char) (((((var_1_12 - var_1_13)) < (var_1_11)) ? ((var_1_12 - var_1_13)) : (var_1_11))))) : (var_1_10 == ((signed char) var_1_13))))) && ((! var_1_5) ? ((-4 <= var_1_33) ? (((((((- var_1_33)) > (var_1_33)) ? ((- var_1_33)) : (var_1_33))) >= var_1_33) ? (var_1_14 == ((unsigned short int) (((((var_1_33 + 5)) < (var_1_13)) ? ((var_1_33 + 5)) : (var_1_13))))) : ((! (var_1_26 < var_1_26)) ? (var_1_14 == ((unsigned short int) var_1_13)) : (var_1_14 == ((unsigned short int) var_1_33)))) : (var_1_14 == ((unsigned short int) var_1_13))) : (var_1_14 == ((unsigned short int) var_1_13)))) && ((! var_1_5) ? ((-2 >= var_1_14) ? (var_1_16 == ((unsigned char) (((((var_1_17 - var_1_18) - 32) < 0 ) ? -((var_1_17 - var_1_18) - 32) : ((var_1_17 - var_1_18) - 32))))) : 1) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_19 == ((signed long int) var_1_16))) && (var_1_5 ? (var_1_20 == ((signed long int) -10000000)) : ((var_1_11 <= var_1_10) ? ((last_1_var_1_20 <= ((var_1_14 / var_1_17) & var_1_33)) ? ((var_1_14 > var_1_33) ? (var_1_20 == ((signed long int) (last_1_var_1_20 + var_1_12))) : (var_1_20 == ((signed long int) last_1_var_1_20))) : (var_1_20 == ((signed long int) var_1_16))) : (var_1_20 == ((signed long int) var_1_14)))) [L199] EXPR (((((((((- var_1_26) >= (var_1_26 / var_1_4)) ? (var_1_5 ? (var_1_1 == ((signed long int) 10)) : 1) : 1) && ((var_1_1 == 0) ? (var_1_6 == ((signed long int) (((((var_1_1 + var_1_32)) > (var_1_14)) ? ((var_1_1 + var_1_32)) : (var_1_14))))) : ((var_1_14 < var_1_1) ? (var_1_6 == ((signed long int) var_1_1)) : (var_1_6 == ((signed long int) var_1_1))))) && (var_1_5 ? (var_1_10 == ((signed char) var_1_11)) : ((var_1_33 == ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_10 == ((signed char) (((((var_1_12 - var_1_13)) < (var_1_11)) ? ((var_1_12 - var_1_13)) : (var_1_11))))) : (var_1_10 == ((signed char) var_1_13))))) && ((! var_1_5) ? ((-4 <= var_1_33) ? (((((((- var_1_33)) > (var_1_33)) ? ((- var_1_33)) : (var_1_33))) >= var_1_33) ? (var_1_14 == ((unsigned short int) (((((var_1_33 + 5)) < (var_1_13)) ? ((var_1_33 + 5)) : (var_1_13))))) : ((! (var_1_26 < var_1_26)) ? (var_1_14 == ((unsigned short int) var_1_13)) : (var_1_14 == ((unsigned short int) var_1_33)))) : (var_1_14 == ((unsigned short int) var_1_13))) : (var_1_14 == ((unsigned short int) var_1_13)))) && ((! var_1_5) ? ((-2 >= var_1_14) ? (var_1_16 == ((unsigned char) (((((var_1_17 - var_1_18) - 32) < 0 ) ? -((var_1_17 - var_1_18) - 32) : ((var_1_17 - var_1_18) - 32))))) : 1) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_19 == ((signed long int) var_1_16))) && (var_1_5 ? (var_1_20 == ((signed long int) -10000000)) : ((var_1_11 <= var_1_10) ? ((last_1_var_1_20 <= ((var_1_14 / var_1_17) & var_1_33)) ? ((var_1_14 > var_1_33) ? (var_1_20 == ((signed long int) (last_1_var_1_20 + var_1_12))) : (var_1_20 == ((signed long int) last_1_var_1_20))) : (var_1_20 == ((signed long int) var_1_16))) : (var_1_20 == ((signed long int) var_1_14))))) && ((((last_1_var_1_21 & var_1_10) >= var_1_12) && var_1_5) ? (var_1_21 == ((signed char) (var_1_18 + (var_1_23 - var_1_24)))) : ((! var_1_25) ? (var_1_21 == ((signed char) var_1_17)) : 1)) [L199-L200] return (((((((((((((- var_1_26) >= (var_1_26 / var_1_4)) ? (var_1_5 ? (var_1_1 == ((signed long int) 10)) : 1) : 1) && ((var_1_1 == 0) ? (var_1_6 == ((signed long int) (((((var_1_1 + var_1_32)) > (var_1_14)) ? ((var_1_1 + var_1_32)) : (var_1_14))))) : ((var_1_14 < var_1_1) ? (var_1_6 == ((signed long int) var_1_1)) : (var_1_6 == ((signed long int) var_1_1))))) && (var_1_5 ? (var_1_10 == ((signed char) var_1_11)) : ((var_1_33 == ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_10 == ((signed char) (((((var_1_12 - var_1_13)) < (var_1_11)) ? ((var_1_12 - var_1_13)) : (var_1_11))))) : (var_1_10 == ((signed char) var_1_13))))) && ((! var_1_5) ? ((-4 <= var_1_33) ? (((((((- var_1_33)) > (var_1_33)) ? ((- var_1_33)) : (var_1_33))) >= var_1_33) ? (var_1_14 == ((unsigned short int) (((((var_1_33 + 5)) < (var_1_13)) ? ((var_1_33 + 5)) : (var_1_13))))) : ((! (var_1_26 < var_1_26)) ? (var_1_14 == ((unsigned short int) var_1_13)) : (var_1_14 == ((unsigned short int) var_1_33)))) : (var_1_14 == ((unsigned short int) var_1_13))) : (var_1_14 == ((unsigned short int) var_1_13)))) && ((! var_1_5) ? ((-2 >= var_1_14) ? (var_1_16 == ((unsigned char) (((((var_1_17 - var_1_18) - 32) < 0 ) ? -((var_1_17 - var_1_18) - 32) : ((var_1_17 - var_1_18) - 32))))) : 1) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_19 == ((signed long int) var_1_16))) && (var_1_5 ? (var_1_20 == ((signed long int) -10000000)) : ((var_1_11 <= var_1_10) ? ((last_1_var_1_20 <= ((var_1_14 / var_1_17) & var_1_33)) ? ((var_1_14 > var_1_33) ? (var_1_20 == ((signed long int) (last_1_var_1_20 + var_1_12))) : (var_1_20 == ((signed long int) last_1_var_1_20))) : (var_1_20 == ((signed long int) var_1_16))) : (var_1_20 == ((signed long int) var_1_14))))) && ((((last_1_var_1_21 & var_1_10) >= var_1_12) && var_1_5) ? (var_1_21 == ((signed char) (var_1_18 + (var_1_23 - var_1_24)))) : ((! var_1_25) ? (var_1_21 == ((signed char) var_1_17)) : 1))) && (var_1_5 ? (((last_1_var_1_6 < 1) || var_1_25) ? (var_1_25 ? (var_1_26 == ((double) ((var_1_27 - var_1_28) + var_1_29))) : 1) : (var_1_26 == ((double) var_1_28))) : (var_1_26 == ((double) var_1_28)))) && ((((-32 + var_1_33) / var_1_17) >= ((var_1_13 - var_1_33) / var_1_31)) ? ((var_1_16 > var_1_16) ? (var_1_30 == ((unsigned long int) var_1_18)) : (var_1_30 == ((unsigned long int) var_1_17))) : (var_1_30 == ((unsigned long int) var_1_33)))) && (var_1_32 == ((signed short int) var_1_23))) && (var_1_33 == ((unsigned char) var_1_18)) ; [L209] RET, EXPR property() [L209] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=25, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=33, var_1_16=32, var_1_17=190, var_1_18=32, var_1_19=32, var_1_1=-128, var_1_20=-10000000, var_1_21=0, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=0, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=32, var_1_31=1, var_1_32=0, var_1_33=32, var_1_5=1, var_1_6=-128] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_20=-256, last_1_var_1_21=25, last_1_var_1_6=-5, var_1_10=25, var_1_11=25, var_1_12=0, var_1_13=33, var_1_14=33, var_1_16=32, var_1_17=190, var_1_18=32, var_1_19=32, var_1_1=-128, var_1_20=-10000000, var_1_21=0, var_1_23=0, var_1_24=32, var_1_25=1, var_1_26=0, var_1_27=2, var_1_28=3, var_1_29=4, var_1_30=32, var_1_31=1, var_1_32=0, var_1_33=32, var_1_5=1, var_1_6=-128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 26, 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=49occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:52:45,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cc64153296dc642c3e2bd44e3ebeef6a189da210d3433ada7ca895121669a4e6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:48,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:48,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:52:48,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:48,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:48,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:48,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:48,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:48,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:48,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:48,752 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:48,752 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:48,753 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:48,755 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:48,756 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:48,756 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:48,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:48,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:48,759 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:52:48,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:52:48,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:48,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:48,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:48,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:48,764 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:52:48,764 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:52:48,765 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:52:48,765 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:52:48,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:48,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:48,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:48,769 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:52:48,769 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:48,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:48,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:48,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:48,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:48,771 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:52:48,772 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:52:48,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:48,773 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:48,774 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:48,774 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_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc64153296dc642c3e2bd44e3ebeef6a189da210d3433ada7ca895121669a4e6 [2023-11-19 04:52:49,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:49,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:49,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:49,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:49,310 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:49,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i [2023-11-19 04:52:52,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:52:53,076 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:52:53,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i [2023-11-19 04:52:53,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/data/3ce42a37d/3369b332103a427881d8247c3667a4d4/FLAG6a05b75ea [2023-11-19 04:52:53,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/data/3ce42a37d/3369b332103a427881d8247c3667a4d4 [2023-11-19 04:52:53,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:52:53,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:52:53,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:53,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:52:53,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:52:53,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28662ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53, skipping insertion in model container [2023-11-19 04:52:53,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:52:53,448 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_728e7bcd-cac2-4dd9-82b2-4df05fd04665/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i[915,928] [2023-11-19 04:52:53,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:53,621 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:52:53,637 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_728e7bcd-cac2-4dd9-82b2-4df05fd04665/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-9.i[915,928] [2023-11-19 04:52:53,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:52:53,781 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:52:53,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53 WrapperNode [2023-11-19 04:52:53,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:52:53,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:53,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:52:53,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:52:53,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,865 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-11-19 04:52:53,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:52:53,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:52:53,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:52:53,870 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:52:53,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:52:53,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:52:53,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:52:53,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:52:53,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (1/1) ... [2023-11-19 04:52:53,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:54,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:52:54,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:52:54,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:52:54,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:52:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:52:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:52:54,082 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:52:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:52:54,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:52:54,231 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:52:54,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:53:00,362 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:53:00,381 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:53:00,382 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:53:00,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:00 BoogieIcfgContainer [2023-11-19 04:53:00,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:53:00,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:53:00,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:53:00,400 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:53:00,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:52:53" (1/3) ... [2023-11-19 04:53:00,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2e2689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:00, skipping insertion in model container [2023-11-19 04:53:00,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:52:53" (2/3) ... [2023-11-19 04:53:00,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2e2689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:00, skipping insertion in model container [2023-11-19 04:53:00,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:00" (3/3) ... [2023-11-19 04:53:00,406 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-9.i [2023-11-19 04:53:00,428 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:53:00,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:53:00,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:53:00,501 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;@1e877ec7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:53:00,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:53:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:53:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 04:53:00,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:00,539 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:00,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:00,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:00,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1384252308, now seen corresponding path program 1 times [2023-11-19 04:53:00,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:53:00,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279033846] [2023-11-19 04:53:00,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:00,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:53:00,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:53:00,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:53:00,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:53:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:02,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:53:02,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-19 04:53:02,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:53:02,343 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:53:02,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279033846] [2023-11-19 04:53:02,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279033846] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:02,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:02,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:53:02,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047966568] [2023-11-19 04:53:02,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:02,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:53:02,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:53:02,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:53:02,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:53:02,396 INFO L87 Difference]: Start difference. First operand has 86 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 04:53:02,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:02,444 INFO L93 Difference]: Finished difference Result 164 states and 292 transitions. [2023-11-19 04:53:02,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:53:02,447 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 166 [2023-11-19 04:53:02,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:02,458 INFO L225 Difference]: With dead ends: 164 [2023-11-19 04:53:02,458 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 04:53:02,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:53:02,468 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:02,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:53:02,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 04:53:02,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 04:53:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 53 states have internal predecessors, (72), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:53:02,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 124 transitions. [2023-11-19 04:53:02,545 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 124 transitions. Word has length 166 [2023-11-19 04:53:02,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:02,546 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 124 transitions. [2023-11-19 04:53:02,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-19 04:53:02,547 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2023-11-19 04:53:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 04:53:02,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:02,555 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:02,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:53:02,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:53:02,769 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:02,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:02,770 INFO L85 PathProgramCache]: Analyzing trace with hash 479950300, now seen corresponding path program 1 times [2023-11-19 04:53:02,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:53:02,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382718008] [2023-11-19 04:53:02,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:02,773 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:53:02,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:53:02,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:53:02,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:53:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:04,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:53:04,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 04:53:04,440 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:53:04,441 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:53:04,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382718008] [2023-11-19 04:53:04,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382718008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:04,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:04,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:53:04,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461583167] [2023-11-19 04:53:04,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:04,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:04,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:53:04,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:04,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:04,452 INFO L87 Difference]: Start difference. First operand 81 states and 124 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:53:07,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:09,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:09,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:09,185 INFO L93 Difference]: Finished difference Result 190 states and 288 transitions. [2023-11-19 04:53:09,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:09,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2023-11-19 04:53:09,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:09,191 INFO L225 Difference]: With dead ends: 190 [2023-11-19 04:53:09,191 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 04:53:09,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:09,195 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 39 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:09,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 245 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 18 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2023-11-19 04:53:09,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 04:53:09,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2023-11-19 04:53:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 78 states have (on average 1.3333333333333333) internal successors, (104), 79 states have internal predecessors, (104), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-19 04:53:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 160 transitions. [2023-11-19 04:53:09,225 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 160 transitions. Word has length 166 [2023-11-19 04:53:09,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:09,227 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 160 transitions. [2023-11-19 04:53:09,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:53:09,228 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2023-11-19 04:53:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:53:09,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:09,233 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:09,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:53:09,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:53:09,458 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:09,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:09,459 INFO L85 PathProgramCache]: Analyzing trace with hash 84775024, now seen corresponding path program 1 times [2023-11-19 04:53:09,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:53:09,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846375673] [2023-11-19 04:53:09,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:09,461 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:53:09,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:53:09,462 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:53:09,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:53:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:10,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:53:10,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 04:53:14,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:53:14,141 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:53:14,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846375673] [2023-11-19 04:53:14,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846375673] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:14,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:14,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:53:14,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929936745] [2023-11-19 04:53:14,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:14,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:53:14,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:53:14,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:53:14,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:53:14,152 INFO L87 Difference]: Start difference. First operand 109 states and 160 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:53:16,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:18,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:21,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:23,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:23,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:23,366 INFO L93 Difference]: Finished difference Result 315 states and 467 transitions. [2023-11-19 04:53:23,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:53:23,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 167 [2023-11-19 04:53:23,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:23,473 INFO L225 Difference]: With dead ends: 315 [2023-11-19 04:53:23,473 INFO L226 Difference]: Without dead ends: 209 [2023-11-19 04:53:23,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:53:23,477 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 92 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 53 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:23,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 355 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 9 Invalid, 4 Unknown, 0 Unchecked, 9.1s Time] [2023-11-19 04:53:23,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-19 04:53:23,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 157. [2023-11-19 04:53:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 99 states have (on average 1.2727272727272727) internal successors, (126), 100 states have internal predecessors, (126), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 04:53:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 234 transitions. [2023-11-19 04:53:23,534 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 234 transitions. Word has length 167 [2023-11-19 04:53:23,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:23,536 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 234 transitions. [2023-11-19 04:53:23,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:53:23,536 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 234 transitions. [2023-11-19 04:53:23,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 04:53:23,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:23,550 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:23,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:53:23,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:53:23,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:23,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:23,752 INFO L85 PathProgramCache]: Analyzing trace with hash 855162641, now seen corresponding path program 1 times [2023-11-19 04:53:23,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:53:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1986672143] [2023-11-19 04:53:23,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:23,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:53:23,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:53:23,760 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:53:23,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:53:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:24,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:53:24,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-19 04:53:28,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:53:28,166 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:53:28,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1986672143] [2023-11-19 04:53:28,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1986672143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:53:28,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:53:28,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:53:28,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182129995] [2023-11-19 04:53:28,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:53:28,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:53:28,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:53:28,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:53:28,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:28,171 INFO L87 Difference]: Start difference. First operand 157 states and 234 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:53:30,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:32,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:53:32,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:32,510 INFO L93 Difference]: Finished difference Result 369 states and 548 transitions. [2023-11-19 04:53:32,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:53:32,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2023-11-19 04:53:32,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:32,616 INFO L225 Difference]: With dead ends: 369 [2023-11-19 04:53:32,617 INFO L226 Difference]: Without dead ends: 263 [2023-11-19 04:53:32,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:53:32,620 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 37 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:32,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 237 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time] [2023-11-19 04:53:32,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-11-19 04:53:32,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 261. [2023-11-19 04:53:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 173 states have (on average 1.283236994219653) internal successors, (222), 175 states have internal predecessors, (222), 82 states have call successors, (82), 5 states have call predecessors, (82), 5 states have return successors, (82), 80 states have call predecessors, (82), 82 states have call successors, (82) [2023-11-19 04:53:32,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 386 transitions. [2023-11-19 04:53:32,700 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 386 transitions. Word has length 168 [2023-11-19 04:53:32,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:32,702 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 386 transitions. [2023-11-19 04:53:32,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-19 04:53:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 386 transitions. [2023-11-19 04:53:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 04:53:32,707 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:32,708 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:32,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-19 04:53:32,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:53:32,932 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:32,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:32,933 INFO L85 PathProgramCache]: Analyzing trace with hash -260952445, now seen corresponding path program 1 times [2023-11-19 04:53:32,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:53:32,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746949479] [2023-11-19 04:53:32,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:32,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:53:32,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:53:32,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:53:32,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_728e7bcd-cac2-4dd9-82b2-4df05fd04665/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 04:53:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:34,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 04:53:34,495 INFO L285 TraceCheckSpWp]: Computing forward predicates...