./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91 --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 16869c7bcc9d57976c37e211199b445527f71fa5796db6fd4758ef43cb31d88a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:50:36,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:50:36,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:50:36,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:50:36,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:50:36,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:50:36,728 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:50:36,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:50:36,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:50:36,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:50:36,735 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:50:36,736 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:50:36,737 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:50:36,738 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:50:36,739 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:50:36,739 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:50:36,740 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:50:36,740 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:50:36,741 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:50:36,741 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:50:36,742 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:50:36,742 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:50:36,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:50:36,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:50:36,744 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:50:36,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:50:36,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:50:36,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:50:36,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:50:36,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:50:36,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:50:36,748 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:50:36,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:50:36,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:50:36,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:50:36,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:50:36,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:50:36,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:36,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:50:36,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:50:36,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:50:36,751 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:50:36,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:50:36,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:50:36,752 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:50:36,752 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:50:36,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:50:36,753 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_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16869c7bcc9d57976c37e211199b445527f71fa5796db6fd4758ef43cb31d88a [2023-11-24 23:50:37,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:50:37,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:50:37,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:50:37,140 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:50:37,140 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:50:37,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i [2023-11-24 23:50:40,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:50:40,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:50:40,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i [2023-11-24 23:50:40,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/data/bfc3ad6ba/8725699a46f442b7b20b3654eb4a490a/FLAGc241e33f3 [2023-11-24 23:50:40,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/data/bfc3ad6ba/8725699a46f442b7b20b3654eb4a490a [2023-11-24 23:50:40,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:50:40,454 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:50:40,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:40,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:50:40,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:50:40,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2895e1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40, skipping insertion in model container [2023-11-24 23:50:40,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,503 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:40,642 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i[915,928] [2023-11-24 23:50:40,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:40,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:50:40,736 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i[915,928] [2023-11-24 23:50:40,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:40,826 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:50:40,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40 WrapperNode [2023-11-24 23:50:40,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:40,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:40,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:50:40,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:50:40,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,927 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-11-24 23:50:40,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:40,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:50:40,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:50:40,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:50:40,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:50:40,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:50:40,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:50:40,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:50:40,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (1/1) ... [2023-11-24 23:50:40,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:40,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:41,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:50:41,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:50:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:50:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:50:41,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:50:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:50:41,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:50:41,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:50:41,218 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:50:41,223 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:50:41,786 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:50:42,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:50:42,161 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:50:42,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:42 BoogieIcfgContainer [2023-11-24 23:50:42,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:50:42,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:50:42,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:50:42,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:50:42,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:50:40" (1/3) ... [2023-11-24 23:50:42,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c126f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:42, skipping insertion in model container [2023-11-24 23:50:42,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:40" (2/3) ... [2023-11-24 23:50:42,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c126f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:42, skipping insertion in model container [2023-11-24 23:50:42,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:42" (3/3) ... [2023-11-24 23:50:42,175 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-57.i [2023-11-24 23:50:42,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:50:42,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:50:42,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:50:42,263 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7a4693b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:50:42,264 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:50:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-24 23:50:42,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-24 23:50:42,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:42,285 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:42,286 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:42,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:42,291 INFO L85 PathProgramCache]: Analyzing trace with hash 71591064, now seen corresponding path program 1 times [2023-11-24 23:50:42,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:50:42,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609083222] [2023-11-24 23:50:42,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:50:42,521 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:50:42,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147043343] [2023-11-24 23:50:42,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:42,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:50:42,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:42,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:50:42,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:50:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:50:43,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:50:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:50:43,295 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:50:43,298 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:50:43,299 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:50:43,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:50:43,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:50:43,513 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:50:43,517 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:50:43,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:50:43 BoogieIcfgContainer [2023-11-24 23:50:43,652 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:50:43,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:50:43,653 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:50:43,653 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:50:43,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:42" (3/4) ... [2023-11-24 23:50:43,656 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:50:43,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:50:43,659 INFO L158 Benchmark]: Toolchain (without parser) took 3204.60ms. Allocated memory is still 157.3MB. Free memory was 115.4MB in the beginning and 101.7MB in the end (delta: 13.7MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-24 23:50:43,659 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:43,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.06ms. Allocated memory is still 157.3MB. Free memory was 115.4MB in the beginning and 100.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:50:43,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.75ms. Allocated memory is still 157.3MB. Free memory was 100.7MB in the beginning and 96.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:50:43,667 INFO L158 Benchmark]: Boogie Preprocessor took 46.36ms. Allocated memory is still 157.3MB. Free memory was 96.5MB in the beginning and 94.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:50:43,668 INFO L158 Benchmark]: RCFGBuilder took 1187.70ms. Allocated memory is still 157.3MB. Free memory was 94.1MB in the beginning and 84.2MB in the end (delta: 10.0MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-24 23:50:43,669 INFO L158 Benchmark]: TraceAbstraction took 1487.22ms. Allocated memory is still 157.3MB. Free memory was 83.3MB in the beginning and 101.7MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:43,670 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 157.3MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:50:43,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 91.8MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.06ms. Allocated memory is still 157.3MB. Free memory was 115.4MB in the beginning and 100.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.75ms. Allocated memory is still 157.3MB. Free memory was 100.7MB in the beginning and 96.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.36ms. Allocated memory is still 157.3MB. Free memory was 96.5MB in the beginning and 94.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1187.70ms. Allocated memory is still 157.3MB. Free memory was 94.1MB in the beginning and 84.2MB in the end (delta: 10.0MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1487.22ms. Allocated memory is still 157.3MB. Free memory was 83.3MB in the beginning and 101.7MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 157.3MB. Free memory is still 101.7MB. 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 133, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48, overapproximation of bitwiseAnd at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] signed char var_1_2 = -1; [L24] signed char var_1_3 = 10; [L25] signed long int var_1_5 = 5; [L26] unsigned char var_1_6 = 0; [L27] double var_1_7 = 24.8; [L28] double var_1_8 = 500.5; [L29] double var_1_9 = 2.4; [L30] double var_1_10 = 0.4; [L31] double var_1_11 = 255.8; [L32] double var_1_12 = 50.75; [L33] unsigned char var_1_13 = 4; [L34] unsigned char var_1_14 = 200; [L35] unsigned char var_1_15 = 25; [L36] unsigned char var_1_16 = 128; [L37] unsigned char var_1_17 = 64; [L38] unsigned char var_1_18 = 32; [L39] unsigned char var_1_19 = 32; [L40] unsigned long int var_1_20 = 1; [L41] float var_1_21 = 9999999999.2; [L42] double var_1_23 = 10.875; [L137] isInitial = 1 [L138] FCALL initially() [L139] int k_loop; [L140] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L140] COND TRUE k_loop < 1 [L141] FCALL updateLastVariables() [L142] CALL updateVariables() [L88] var_1_2 = __VERIFIER_nondet_char() [L89] CALL assume_abort_if_not(var_1_2 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_2 >= -1) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L90] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=10, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L91] var_1_3 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L93] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=5, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L94] var_1_5 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L96] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L97] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=0, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L98] var_1_6 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L100] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5, var_1_8=1001/2, var_1_9=12/5] [L101] var_1_8 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5, var_1_9=12/5] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5, var_1_9=12/5] [L103] var_1_9 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L105] var_1_10 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_10 >= -230584.3009213691390e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 2305843.009213691390e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_10 >= -230584.3009213691390e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 2305843.009213691390e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=1279/5, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L107] var_1_11 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=203/4, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L109] var_1_12 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_12 >= -115292.1504606845700e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 1152921.504606845700e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_12 >= -115292.1504606845700e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 1152921.504606845700e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_13=4, var_1_14=200, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L111] var_1_14 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_14 >= 190) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_14 >= 190) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L113] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=25, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L114] var_1_15 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L116] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=128, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L117] var_1_16 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L119] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=64, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L120] var_1_17 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L122] CALL assume_abort_if_not(var_1_17 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_17 <= 64) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=32, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L123] var_1_18 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L125] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=63, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=63, var_1_19=32, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L126] var_1_19 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L128] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=63, var_1_19=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=63, var_1_19=63, var_1_1=5, var_1_20=1, var_1_21=49999999996/5, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=124/5] [L142] RET updateVariables() [L143] CALL step() [L46] signed char stepLocal_0 = var_1_2; [L47] COND TRUE -256 <= stepLocal_0 [L48] var_1_7 = (var_1_8 + (((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_11 + var_1_12))) [L54] COND FALSE !(var_1_11 <= var_1_9) [L57] COND TRUE (var_1_2 - var_1_3) > (var_1_13 / var_1_5) [L58] var_1_1 = (128 - var_1_3) [L66] EXPR (var_1_2 * var_1_13) & var_1_1 [L66] signed long int stepLocal_1 = (var_1_2 * var_1_13) & var_1_1; [L67] COND TRUE var_1_3 < stepLocal_1 [L68] var_1_20 = (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) + var_1_14) [L70] EXPR var_1_1 & var_1_3 [L70] signed long int stepLocal_2 = var_1_1 & var_1_3; [L71] COND FALSE !((((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) + (var_1_1 / var_1_14)) <= stepLocal_2) [L78] var_1_21 = var_1_12 [L80] unsigned long int stepLocal_3 = var_1_20; [L81] COND FALSE !(var_1_1 > stepLocal_3) [L143] RET step() [L144] CALL, EXPR property() [L133] EXPR (((((var_1_2 - var_1_3) > (var_1_13 / var_1_5)) ? (var_1_1 == ((unsigned char) (128 - var_1_3))) : ((! var_1_6) ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3)))) && ((-256 <= var_1_2) ? (var_1_7 == ((double) (var_1_8 + (((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_11 + var_1_12))))) : ((var_1_11 == var_1_9) ? (var_1_7 == ((double) var_1_8)) : 1))) && ((var_1_11 <= var_1_9) ? (var_1_13 == ((unsigned char) ((((((var_1_14 - var_1_15)) > (var_1_16)) ? ((var_1_14 - var_1_15)) : (var_1_16))) - (var_1_17 + ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))))) : 1)) && ((var_1_3 < ((var_1_2 * var_1_13) & var_1_1)) ? (var_1_20 == ((unsigned long int) (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) + var_1_14))) : 1) [L133] EXPR ((((((var_1_2 - var_1_3) > (var_1_13 / var_1_5)) ? (var_1_1 == ((unsigned char) (128 - var_1_3))) : ((! var_1_6) ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3)))) && ((-256 <= var_1_2) ? (var_1_7 == ((double) (var_1_8 + (((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_11 + var_1_12))))) : ((var_1_11 == var_1_9) ? (var_1_7 == ((double) var_1_8)) : 1))) && ((var_1_11 <= var_1_9) ? (var_1_13 == ((unsigned char) ((((((var_1_14 - var_1_15)) > (var_1_16)) ? ((var_1_14 - var_1_15)) : (var_1_16))) - (var_1_17 + ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))))) : 1)) && ((var_1_3 < ((var_1_2 * var_1_13) & var_1_1)) ? (var_1_20 == ((unsigned long int) (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) + var_1_14))) : 1)) && (((((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) + (var_1_1 / var_1_14)) <= (var_1_1 & var_1_3)) ? (var_1_6 ? (var_1_21 == ((float) var_1_12)) : (var_1_21 == ((float) var_1_10))) : (var_1_21 == ((float) var_1_12))) [L133-L134] return (((((((var_1_2 - var_1_3) > (var_1_13 / var_1_5)) ? (var_1_1 == ((unsigned char) (128 - var_1_3))) : ((! var_1_6) ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3)))) && ((-256 <= var_1_2) ? (var_1_7 == ((double) (var_1_8 + (((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) + (var_1_11 + var_1_12))))) : ((var_1_11 == var_1_9) ? (var_1_7 == ((double) var_1_8)) : 1))) && ((var_1_11 <= var_1_9) ? (var_1_13 == ((unsigned char) ((((((var_1_14 - var_1_15)) > (var_1_16)) ? ((var_1_14 - var_1_15)) : (var_1_16))) - (var_1_17 + ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))))) : 1)) && ((var_1_3 < ((var_1_2 * var_1_13) & var_1_1)) ? (var_1_20 == ((unsigned long int) (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) + var_1_14))) : 1)) && (((((((var_1_1) > (var_1_5)) ? (var_1_1) : (var_1_5))) + (var_1_1 / var_1_14)) <= (var_1_1 & var_1_3)) ? (var_1_6 ? (var_1_21 == ((float) var_1_12)) : (var_1_21 == ((float) var_1_10))) : (var_1_21 == ((float) var_1_12)))) && ((var_1_1 > var_1_20) ? ((! (! var_1_6)) ? (var_1_23 == ((double) var_1_8)) : 1) : 1) ; [L144] RET, EXPR property() [L144] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_12=2, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=63, var_1_19=63, var_1_1=126, var_1_20=253, var_1_21=2, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_12=2, var_1_13=4, var_1_14=190, var_1_15=63, var_1_16=127, var_1_17=59, var_1_18=63, var_1_19=63, var_1_1=126, var_1_20=253, var_1_21=2, var_1_23=87/8, var_1_2=-1, var_1_3=2, var_1_5=-1, var_1_6=1, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:50:43,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91 --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 16869c7bcc9d57976c37e211199b445527f71fa5796db6fd4758ef43cb31d88a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:50:46,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:50:46,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:50:46,679 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:50:46,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:50:46,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:50:46,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:50:46,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:50:46,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:50:46,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:50:46,746 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:50:46,747 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:50:46,747 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:50:46,749 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:50:46,750 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:50:46,750 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:50:46,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:50:46,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:50:46,752 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:50:46,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:50:46,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:50:46,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:50:46,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:50:46,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:50:46,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:50:46,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:50:46,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:50:46,757 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:50:46,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:50:46,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:50:46,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:50:46,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:50:46,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:50:46,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:50:46,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:46,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:50:46,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:50:46,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:50:46,762 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:50:46,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:50:46,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:50:46,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:50:46,764 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:50:46,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:50:46,765 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_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16869c7bcc9d57976c37e211199b445527f71fa5796db6fd4758ef43cb31d88a [2023-11-24 23:50:47,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:50:47,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:50:47,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:50:47,203 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:50:47,204 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:50:47,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i [2023-11-24 23:50:50,512 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:50:50,791 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:50:50,793 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i [2023-11-24 23:50:50,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/data/390cc0288/08af0aeec91d4070ac33b7afe2aa24a7/FLAG1240c733b [2023-11-24 23:50:50,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/data/390cc0288/08af0aeec91d4070ac33b7afe2aa24a7 [2023-11-24 23:50:50,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:50:50,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:50:50,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:50,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:50:50,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:50:50,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:50" (1/1) ... [2023-11-24 23:50:50,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bbfa19b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:50, skipping insertion in model container [2023-11-24 23:50:50,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:50:50" (1/1) ... [2023-11-24 23:50:50,886 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:50:51,110 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i[915,928] [2023-11-24 23:50:51,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:51,259 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:50:51,279 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-57.i[915,928] [2023-11-24 23:50:51,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:50:51,360 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:50:51,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51 WrapperNode [2023-11-24 23:50:51,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:50:51,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:51,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:50:51,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:50:51,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,445 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-24 23:50:51,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:50:51,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:50:51,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:50:51,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:50:51,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,480 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:50:51,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:50:51,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:50:51,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:50:51,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (1/1) ... [2023-11-24 23:50:51,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:50:51,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:50:51,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:50:51,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:50:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:50:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:50:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:50:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:50:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:50:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:50:51,717 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:50:51,720 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:50:56,875 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:50:56,960 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:50:56,960 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:50:56,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:56 BoogieIcfgContainer [2023-11-24 23:50:56,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:50:56,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:50:56,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:50:56,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:50:56,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:50:50" (1/3) ... [2023-11-24 23:50:56,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ab4030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:56, skipping insertion in model container [2023-11-24 23:50:56,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:50:51" (2/3) ... [2023-11-24 23:50:56,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ab4030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:56, skipping insertion in model container [2023-11-24 23:50:56,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:56" (3/3) ... [2023-11-24 23:50:56,986 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-57.i [2023-11-24 23:50:57,005 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:50:57,006 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:50:57,062 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:50:57,068 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@d4ca89d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:50:57,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:50:57,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-24 23:50:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-24 23:50:57,090 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:57,091 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:57,091 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:57,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:57,097 INFO L85 PathProgramCache]: Analyzing trace with hash -835144621, now seen corresponding path program 1 times [2023-11-24 23:50:57,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:50:57,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1608693950] [2023-11-24 23:50:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:57,119 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:50:57,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:50:57,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:50:57,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:50:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:57,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:50:57,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:57,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 666 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-24 23:50:57,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:50:57,864 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:50:57,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1608693950] [2023-11-24 23:50:57,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1608693950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:50:57,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:50:57,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:50:57,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362041775] [2023-11-24 23:50:57,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:50:57,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:50:57,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:50:57,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:50:57,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:50:57,917 INFO L87 Difference]: Start difference. First operand has 67 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-24 23:51:00,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:51:00,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:51:00,195 INFO L93 Difference]: Finished difference Result 132 states and 233 transitions. [2023-11-24 23:51:00,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:51:00,198 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 159 [2023-11-24 23:51:00,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:51:00,208 INFO L225 Difference]: With dead ends: 132 [2023-11-24 23:51:00,209 INFO L226 Difference]: Without dead ends: 64 [2023-11-24 23:51:00,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:51:00,217 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:51:00,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-24 23:51:00,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-24 23:51:00,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-24 23:51:00,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-24 23:51:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 97 transitions. [2023-11-24 23:51:00,275 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 97 transitions. Word has length 159 [2023-11-24 23:51:00,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:51:00,276 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 97 transitions. [2023-11-24 23:51:00,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-24 23:51:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2023-11-24 23:51:00,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-24 23:51:00,284 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:51:00,285 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:51:00,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:51:00,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:51:00,502 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:51:00,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:51:00,503 INFO L85 PathProgramCache]: Analyzing trace with hash -765919349, now seen corresponding path program 1 times [2023-11-24 23:51:00,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:51:00,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2147381679] [2023-11-24 23:51:00,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:51:00,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:51:00,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:51:00,506 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:51:00,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_22e9b35b-2112-48df-ad6d-8690bd1637eb/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:51:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:51:01,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 23:51:01,636 INFO L285 TraceCheckSpWp]: Computing forward predicates...