./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2 --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 a455b61fe113f47d14217d396c2a515531f7c318e642948056697e83622a1761 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:37,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:37,364 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:28:37,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:37,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:37,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:37,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:37,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:37,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:37,407 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:37,407 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:37,408 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:37,408 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:37,412 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:28:37,412 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:37,412 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:37,413 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:28:37,413 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:28:37,413 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:37,414 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:28:37,414 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:28:37,415 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:28:37,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:37,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:37,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:37,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:28:37,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:37,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:37,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:37,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:37,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:37,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:37,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:37,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:37,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:37,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:37,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:37,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:37,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:37,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:37,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:37,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:37,425 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:28:37,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:28:37,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:37,426 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:37,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:37,427 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_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a455b61fe113f47d14217d396c2a515531f7c318e642948056697e83622a1761 [2024-11-02 12:28:37,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:37,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:37,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:37,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:37,767 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:37,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i Unable to find full path for "g++" [2024-11-02 12:28:39,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:40,153 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:40,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i [2024-11-02 12:28:40,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/data/ca5686333/ff380c37ae1e4e62b6a302679adfb0ce/FLAG8d9394dd5 [2024-11-02 12:28:40,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/data/ca5686333/ff380c37ae1e4e62b6a302679adfb0ce [2024-11-02 12:28:40,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:40,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:40,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:40,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:40,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:40,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fbece57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40, skipping insertion in model container [2024-11-02 12:28:40,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:40,481 WARN L251 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_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i[915,928] [2024-11-02 12:28:40,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:40,600 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:40,615 WARN L251 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_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i[915,928] [2024-11-02 12:28:40,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:40,690 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:40,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40 WrapperNode [2024-11-02 12:28:40,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:40,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:40,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:40,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:40,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,783 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2024-11-02 12:28:40,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:40,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:40,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:40,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:40,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:40,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:40,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:40,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:40,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (1/1) ... [2024-11-02 12:28:40,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:40,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:40,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:40,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:28:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:28:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:28:40,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:40,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:41,052 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:41,057 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:41,591 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:41,592 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:41,946 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:41,946 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:41,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:41 BoogieIcfgContainer [2024-11-02 12:28:41,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:41,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:41,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:41,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:41,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:40" (1/3) ... [2024-11-02 12:28:41,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749df23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:41, skipping insertion in model container [2024-11-02 12:28:41,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:40" (2/3) ... [2024-11-02 12:28:41,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749df23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:41, skipping insertion in model container [2024-11-02 12:28:41,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:41" (3/3) ... [2024-11-02 12:28:41,968 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-88.i [2024-11-02 12:28:41,986 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:41,986 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:42,050 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:42,058 INFO L333 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, 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;@4378ff97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:42,060 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:42,065 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:28:42,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-02 12:28:42,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:42,078 INFO L215 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:42,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:42,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:42,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1662459603, now seen corresponding path program 1 times [2024-11-02 12:28:42,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:28:42,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391412146] [2024-11-02 12:28:42,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:42,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:28:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:28:42,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957623449] [2024-11-02 12:28:42,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:42,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:28:42,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:42,633 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:28:42,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:28:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:42,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:28:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:28:43,167 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:28:43,170 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:28:43,171 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:28:43,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-02 12:28:43,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-02 12:28:43,384 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:28:43,462 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:28:43,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:28:43 BoogieIcfgContainer [2024-11-02 12:28:43,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:28:43,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:28:43,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:28:43,471 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:28:43,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:41" (3/4) ... [2024-11-02 12:28:43,478 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:28:43,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:28:43,480 INFO L158 Benchmark]: Toolchain (without parser) took 3284.00ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 128.2MB in the beginning and 145.1MB in the end (delta: -16.9MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-02 12:28:43,481 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory was 117.9MB in the beginning and 117.8MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:43,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.28ms. Allocated memory is still 159.4MB. Free memory was 127.9MB in the beginning and 112.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-02 12:28:43,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.19ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 107.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:28:43,483 INFO L158 Benchmark]: Boogie Preprocessor took 53.29ms. Allocated memory is still 159.4MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:28:43,483 INFO L158 Benchmark]: RCFGBuilder took 1115.91ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 105.0MB in the beginning and 138.4MB in the end (delta: -33.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-02 12:28:43,484 INFO L158 Benchmark]: TraceAbstraction took 1513.23ms. Allocated memory is still 203.4MB. Free memory was 137.4MB in the beginning and 145.1MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:43,484 INFO L158 Benchmark]: Witness Printer took 8.94ms. Allocated memory is still 203.4MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:28:43,490 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory was 117.9MB in the beginning and 117.8MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.28ms. Allocated memory is still 159.4MB. Free memory was 127.9MB in the beginning and 112.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.19ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 107.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.29ms. Allocated memory is still 159.4MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1115.91ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 105.0MB in the beginning and 138.4MB in the end (delta: -33.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1513.23ms. Allocated memory is still 203.4MB. Free memory was 137.4MB in the beginning and 145.1MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.94ms. Allocated memory is still 203.4MB. Free memory is still 145.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of shiftLeft at line 54, overapproximation of bitwiseOr at line 55, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] float var_1_2 = 9.5; [L24] float var_1_4 = 127.6; [L25] double var_1_5 = 100000000000000.5; [L26] double var_1_6 = 100000000000000.7; [L27] double var_1_7 = 256.75; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_9 = 1; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] signed char var_1_12 = 0; [L33] signed char var_1_13 = 2; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_16 = 10; [L36] unsigned char var_1_18 = 4; [L37] unsigned char var_1_19 = 8; [L38] unsigned char var_1_20 = 8; [L39] unsigned short int var_1_21 = 128; [L40] unsigned char var_1_22 = 0; [L41] unsigned short int var_1_24 = 34649; [L42] unsigned char last_1_var_1_8 = 0; [L43] unsigned short int last_1_var_1_21 = 128; [L44] unsigned char last_1_var_1_22 = 0; [L147] isInitial = 1 [L148] FCALL initially() [L149] COND TRUE 1 [L150] CALL updateLastVariables() [L138] last_1_var_1_8 = var_1_8 [L139] last_1_var_1_21 = var_1_21 [L140] last_1_var_1_22 = var_1_22 [L150] RET updateLastVariables() [L151] CALL updateVariables() [L98] var_1_2 = __VERIFIER_nondet_float() [L99] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L100] var_1_4 = __VERIFIER_nondet_float() [L101] 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_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L101] 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_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L102] var_1_5 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L104] var_1_6 = __VERIFIER_nondet_double() [L105] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L106] var_1_7 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=1] [L108] var_1_9 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L110] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L111] var_1_10 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L113] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L114] var_1_11 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L116] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=2, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L117] var_1_13 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L119] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L120] var_1_16 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L122] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L123] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L124] var_1_18 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L126] CALL assume_abort_if_not(var_1_18 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_18 <= 64) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L127] var_1_19 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L129] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L130] var_1_20 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L132] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=-192, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=-192, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_8=0, var_1_9=-255] [L133] var_1_24 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_24 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=-192, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_24 >= 32767) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=-192, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=-255] [L135] CALL assume_abort_if_not(var_1_24 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=-192, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=-255] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_24 <= 65535) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=-192, var_1_21=128, var_1_22=0, var_1_24=32767, var_1_8=0, var_1_9=-255] [L151] RET updateVariables() [L152] CALL step() [L48] signed long int stepLocal_0 = (last_1_var_1_22 / var_1_16) * last_1_var_1_21; [L49] COND FALSE !(last_1_var_1_21 < stepLocal_0) [L52] var_1_14 = var_1_18 [L54] EXPR var_1_18 << var_1_14 [L54] signed long int stepLocal_3 = var_1_18 << var_1_14; [L55] EXPR var_1_14 | var_1_18 [L55] signed long int stepLocal_2 = (var_1_14 | var_1_18) / (var_1_24 - 1); [L56] COND FALSE !(var_1_19 == stepLocal_3) [L63] var_1_22 = 64 [L65] COND FALSE !(64.5f <= var_1_2) [L76] COND TRUE var_1_1 > ((var_1_1 * var_1_5) + 5.3) [L77] COND TRUE (var_1_7 + var_1_1) < var_1_6 [L78] var_1_8 = var_1_9 [L85] COND FALSE !(((- var_1_1) / 24.75) < var_1_6) [L92] unsigned char stepLocal_1 = var_1_10; [L93] COND FALSE !(var_1_8 && stepLocal_1) [L152] RET step() [L153] CALL, EXPR property() [L143] EXPR ((((((64.5f <= var_1_2) ? (last_1_var_1_8 ? ((var_1_2 == var_1_4) ? (var_1_1 == ((double) (var_1_5 + ((((((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) < (50.25)) ? (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) : (50.25)))))) : (var_1_1 == ((double) var_1_7))) : (var_1_1 == ((double) var_1_5))) : 1) && ((var_1_1 > ((var_1_1 * var_1_5) + 5.3)) ? (((var_1_7 + var_1_1) < var_1_6) ? (var_1_8 == ((unsigned char) var_1_9)) : (var_1_8 == ((unsigned char) var_1_10))) : (var_1_8 == ((unsigned char) var_1_11)))) && ((((- var_1_1) / 24.75) < var_1_6) ? ((var_1_7 >= var_1_1) ? (var_1_12 == ((signed char) var_1_13)) : (var_1_12 == ((signed char) var_1_13))) : 1)) && ((last_1_var_1_21 < ((last_1_var_1_22 / var_1_16) * last_1_var_1_21)) ? (var_1_14 == ((unsigned char) ((var_1_18 + var_1_19) + var_1_20))) : (var_1_14 == ((unsigned char) var_1_18)))) && ((var_1_8 && var_1_10) ? (var_1_21 == ((unsigned short int) ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (2)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (2))))) : 1)) && ((var_1_19 == (var_1_18 << var_1_14)) ? ((last_1_var_1_22 >= ((var_1_14 | var_1_18) / (var_1_24 - 1))) ? (var_1_22 == ((unsigned char) 2)) : (var_1_22 == ((unsigned char) var_1_20))) : (var_1_22 == ((unsigned char) 64))) [L143-L144] return ((((((64.5f <= var_1_2) ? (last_1_var_1_8 ? ((var_1_2 == var_1_4) ? (var_1_1 == ((double) (var_1_5 + ((((((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) < (50.25)) ? (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) : (50.25)))))) : (var_1_1 == ((double) var_1_7))) : (var_1_1 == ((double) var_1_5))) : 1) && ((var_1_1 > ((var_1_1 * var_1_5) + 5.3)) ? (((var_1_7 + var_1_1) < var_1_6) ? (var_1_8 == ((unsigned char) var_1_9)) : (var_1_8 == ((unsigned char) var_1_10))) : (var_1_8 == ((unsigned char) var_1_11)))) && ((((- var_1_1) / 24.75) < var_1_6) ? ((var_1_7 >= var_1_1) ? (var_1_12 == ((signed char) var_1_13)) : (var_1_12 == ((signed char) var_1_13))) : 1)) && ((last_1_var_1_21 < ((last_1_var_1_22 / var_1_16) * last_1_var_1_21)) ? (var_1_14 == ((unsigned char) ((var_1_18 + var_1_19) + var_1_20))) : (var_1_14 == ((unsigned char) var_1_18)))) && ((var_1_8 && var_1_10) ? (var_1_21 == ((unsigned short int) ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (2)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (2))))) : 1)) && ((var_1_19 == (var_1_18 << var_1_14)) ? ((last_1_var_1_22 >= ((var_1_14 | var_1_18) / (var_1_24 - 1))) ? (var_1_22 == ((unsigned char) 2)) : (var_1_22 == ((unsigned char) var_1_20))) : (var_1_22 == ((unsigned char) 64))) ; [L153] RET, EXPR property() [L153] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=-192, var_1_21=128, var_1_22=64, var_1_24=32767, var_1_5=0, var_1_7=0, var_1_8=-255, var_1_9=-255] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=128, last_1_var_1_22=0, last_1_var_1_8=0, var_1_10=0, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=255, var_1_18=1, var_1_19=1, var_1_1=79/5, var_1_20=-192, var_1_21=128, var_1_22=64, var_1_24=32767, var_1_5=0, var_1_7=0, var_1_8=-255, var_1_9=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 2 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 [2024-11-02 12:28:43,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2 --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 a455b61fe113f47d14217d396c2a515531f7c318e642948056697e83622a1761 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:28:45,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:28:46,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:28:46,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:28:46,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:28:46,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:28:46,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:28:46,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:28:46,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:28:46,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:28:46,072 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:28:46,072 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:28:46,073 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:28:46,074 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:28:46,076 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:28:46,076 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:28:46,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:28:46,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:28:46,078 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:28:46,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:28:46,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:28:46,083 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:28:46,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:28:46,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:28:46,084 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:28:46,084 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:28:46,084 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:28:46,085 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:28:46,085 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:28:46,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:28:46,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:28:46,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:28:46,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:28:46,087 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:28:46,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:28:46,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:46,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:28:46,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:28:46,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:28:46,088 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:28:46,090 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:28:46,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:28:46,091 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:28:46,091 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:28:46,092 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_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a455b61fe113f47d14217d396c2a515531f7c318e642948056697e83622a1761 [2024-11-02 12:28:46,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:28:46,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:28:46,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:28:46,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:28:46,536 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:28:46,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i Unable to find full path for "g++" [2024-11-02 12:28:48,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:28:48,897 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:28:48,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i [2024-11-02 12:28:48,911 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/data/a792fa3de/6691e90bf3fe431cbb22d4e0e31046e9/FLAGdd6d48573 [2024-11-02 12:28:49,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/data/a792fa3de/6691e90bf3fe431cbb22d4e0e31046e9 [2024-11-02 12:28:49,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:28:49,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:28:49,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:49,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:28:49,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:28:49,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bda8011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49, skipping insertion in model container [2024-11-02 12:28:49,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:28:49,507 WARN L251 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_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i[915,928] [2024-11-02 12:28:49,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:49,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:28:49,666 WARN L251 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_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-88.i[915,928] [2024-11-02 12:28:49,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:28:49,757 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:28:49,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49 WrapperNode [2024-11-02 12:28:49,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:28:49,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:49,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:28:49,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:28:49,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,833 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-11-02 12:28:49,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:28:49,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:28:49,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:28:49,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:28:49,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:28:49,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:28:49,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:28:49,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:28:49,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (1/1) ... [2024-11-02 12:28:49,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:28:49,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:28:49,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:28:49,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:28:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:28:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:28:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:28:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:28:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:28:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:28:50,109 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:28:50,114 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:28:58,065 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-02 12:28:58,065 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:28:58,079 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:28:58,079 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:28:58,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:58 BoogieIcfgContainer [2024-11-02 12:28:58,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:28:58,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:28:58,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:28:58,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:28:58,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:28:49" (1/3) ... [2024-11-02 12:28:58,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f55b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:58, skipping insertion in model container [2024-11-02 12:28:58,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:28:49" (2/3) ... [2024-11-02 12:28:58,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f55b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:28:58, skipping insertion in model container [2024-11-02 12:28:58,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:28:58" (3/3) ... [2024-11-02 12:28:58,109 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-88.i [2024-11-02 12:28:58,128 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:28:58,129 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:28:58,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:28:58,208 INFO L333 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, 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;@7edc550c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:28:58,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:28:58,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:28:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-02 12:28:58,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:58,227 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:58,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:58,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:58,234 INFO L85 PathProgramCache]: Analyzing trace with hash 535919197, now seen corresponding path program 1 times [2024-11-02 12:28:58,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:58,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949669561] [2024-11-02 12:28:58,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:58,249 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 [2024-11-02 12:28:58,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:58,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:28:58,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:28:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:28:59,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:28:59,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:28:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2024-11-02 12:28:59,487 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:28:59,491 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:28:59,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949669561] [2024-11-02 12:28:59,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949669561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:28:59,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:28:59,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:28:59,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527355096] [2024-11-02 12:28:59,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:28:59,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:28:59,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:28:59,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:28:59,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:28:59,541 INFO L87 Difference]: Start difference. First operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:28:59,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:28:59,597 INFO L93 Difference]: Finished difference Result 133 states and 232 transitions. [2024-11-02 12:28:59,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:28:59,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 151 [2024-11-02 12:28:59,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:28:59,611 INFO L225 Difference]: With dead ends: 133 [2024-11-02 12:28:59,612 INFO L226 Difference]: Without dead ends: 66 [2024-11-02 12:28:59,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:28:59,626 INFO L432 NwaCegarLoop]: 100 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, 100 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 [2024-11-02 12:28:59,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:28:59,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-02 12:28:59,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-02 12:28:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-02 12:28:59,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 100 transitions. [2024-11-02 12:28:59,746 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 100 transitions. Word has length 151 [2024-11-02 12:28:59,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:28:59,747 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 100 transitions. [2024-11-02 12:28:59,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-02 12:28:59,751 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 100 transitions. [2024-11-02 12:28:59,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-02 12:28:59,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:28:59,758 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:28:59,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-02 12:28:59,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:28:59,959 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:28:59,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:28:59,960 INFO L85 PathProgramCache]: Analyzing trace with hash 325807633, now seen corresponding path program 1 times [2024-11-02 12:28:59,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:28:59,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299028498] [2024-11-02 12:28:59,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:28:59,962 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 [2024-11-02 12:28:59,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:28:59,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:28:59,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:29:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:01,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:29:01,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:03,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 519 proven. 45 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-02 12:29:03,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:29:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-02 12:29:04,750 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:29:04,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299028498] [2024-11-02 12:29:04,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299028498] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:29:04,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1768598231] [2024-11-02 12:29:04,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:04,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:29:04,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:29:04,758 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:29:04,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-02 12:29:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:07,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:29:07,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:08,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 519 proven. 45 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-02 12:29:08,491 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:29:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-02 12:29:09,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1768598231] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:29:09,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007933748] [2024-11-02 12:29:09,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:29:09,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:29:09,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:29:09,881 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:29:09,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af9cdc8e-e78e-4bab-8592-e7b12ec4eabc/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-02 12:29:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:29:10,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:29:10,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:29:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 519 proven. 45 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-02 12:29:12,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:29:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-02 12:29:13,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007933748] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:29:13,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-02 12:29:13,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2024-11-02 12:29:13,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788103216] [2024-11-02 12:29:13,537 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-02 12:29:13,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-02 12:29:13,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:29:13,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-02 12:29:13,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-02 12:29:13,542 INFO L87 Difference]: Start difference. First operand 66 states and 100 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)