./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 481fb6163129bcac31bfa5548f3c66416510365b56cd1a0ddcb41986b1359b6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:08:18,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:08:18,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:08:18,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:08:18,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:08:18,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:08:18,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:08:18,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:08:18,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:08:18,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:08:18,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:08:18,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:08:18,181 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:08:18,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:08:18,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:08:18,182 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:08:18,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:08:18,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:08:18,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:08:18,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:08:18,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:08:18,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:08:18,187 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:08:18,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:08:18,188 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:08:18,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:08:18,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:08:18,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:08:18,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:18,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:08:18,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:08:18,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:08:18,192 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:08:18,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:08:18,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:08:18,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:08:18,193 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:08:18,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:08:18,193 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:08:18,193 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 481fb6163129bcac31bfa5548f3c66416510365b56cd1a0ddcb41986b1359b6e [2023-11-12 02:08:18,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:08:18,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:08:18,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:08:18,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:08:18,536 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:08:18,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i [2023-11-12 02:08:21,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:08:21,981 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:08:21,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i [2023-11-12 02:08:21,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/data/d8c41491a/4b4c429c4a4c4be2869fa9a05e486960/FLAG5ca2e35fc [2023-11-12 02:08:22,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/data/d8c41491a/4b4c429c4a4c4be2869fa9a05e486960 [2023-11-12 02:08:22,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:08:22,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:08:22,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:22,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:08:22,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:08:22,033 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d41981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22, skipping insertion in model container [2023-11-12 02:08:22,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:08:22,254 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_9961566c-4c5c-47a0-b8f8-97def6913eda/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i[915,928] [2023-11-12 02:08:22,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:22,320 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:08:22,330 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_9961566c-4c5c-47a0-b8f8-97def6913eda/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i[915,928] [2023-11-12 02:08:22,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:22,368 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:08:22,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22 WrapperNode [2023-11-12 02:08:22,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:22,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:22,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:08:22,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:08:22,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,427 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2023-11-12 02:08:22,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:22,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:08:22,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:08:22,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:08:22,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:08:22,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:08:22,480 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:08:22,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:08:22,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (1/1) ... [2023-11-12 02:08:22,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:22,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:08:22,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:08:22,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:08:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:08:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:08:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:08:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:08:22,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:08:22,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:08:22,633 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:08:22,635 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:08:22,966 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:08:22,973 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:08:22,978 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:08:22,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:22 BoogieIcfgContainer [2023-11-12 02:08:22,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:08:22,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:08:22,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:08:22,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:08:22,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:08:22" (1/3) ... [2023-11-12 02:08:22,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d3a997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:22, skipping insertion in model container [2023-11-12 02:08:22,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:22" (2/3) ... [2023-11-12 02:08:22,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d3a997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:22, skipping insertion in model container [2023-11-12 02:08:22,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:22" (3/3) ... [2023-11-12 02:08:22,997 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-24.i [2023-11-12 02:08:23,015 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:08:23,016 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:08:23,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:08:23,067 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=PETRI_NET, 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;@4c622166, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:08:23,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:08:23,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-12 02:08:23,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-12 02:08:23,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:08:23,084 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:23,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:08:23,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:23,090 INFO L85 PathProgramCache]: Analyzing trace with hash 632852358, now seen corresponding path program 1 times [2023-11-12 02:08:23,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:23,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690587788] [2023-11-12 02:08:23,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:23,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:23,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:08:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:08:23,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:08:23,881 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:08:23,883 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:08:23,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:08:23,890 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 02:08:23,895 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:08:24,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:08:24 BoogieIcfgContainer [2023-11-12 02:08:24,003 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:08:24,004 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:08:24,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:08:24,006 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:08:24,007 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:22" (3/4) ... [2023-11-12 02:08:24,009 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:08:24,013 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:08:24,015 INFO L158 Benchmark]: Toolchain (without parser) took 1991.55ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 71.4MB in the beginning and 142.5MB in the end (delta: -71.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:24,016 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory was 95.4MB in the beginning and 95.4MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:24,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.05ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 71.4MB in the beginning and 161.9MB in the end (delta: -90.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-12 02:08:24,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.04ms. Allocated memory is still 195.0MB. Free memory was 161.9MB in the beginning and 159.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:24,022 INFO L158 Benchmark]: Boogie Preprocessor took 50.92ms. Allocated memory is still 195.0MB. Free memory was 159.8MB in the beginning and 157.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:24,024 INFO L158 Benchmark]: RCFGBuilder took 502.67ms. Allocated memory is still 195.0MB. Free memory was 157.7MB in the beginning and 140.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:08:24,025 INFO L158 Benchmark]: TraceAbstraction took 1017.67ms. Allocated memory is still 195.0MB. Free memory was 140.7MB in the beginning and 142.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:24,030 INFO L158 Benchmark]: Witness Printer took 9.49ms. Allocated memory is still 195.0MB. Free memory is still 142.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:24,033 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory was 95.4MB in the beginning and 95.4MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.05ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 71.4MB in the beginning and 161.9MB in the end (delta: -90.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.04ms. Allocated memory is still 195.0MB. Free memory was 161.9MB in the beginning and 159.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.92ms. Allocated memory is still 195.0MB. Free memory was 159.8MB in the beginning and 157.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.67ms. Allocated memory is still 195.0MB. Free memory was 157.7MB in the beginning and 140.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1017.67ms. Allocated memory is still 195.0MB. Free memory was 140.7MB in the beginning and 142.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.49ms. Allocated memory is still 195.0MB. Free memory is still 142.5MB. 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 88. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 127.1; [L25] signed char var_1_4 = 16; [L26] signed char var_1_5 = 4; [L27] unsigned char var_1_6 = 8; [L28] float var_1_7 = 1000000.6; [L29] unsigned char var_1_8 = 64; [L30] unsigned char var_1_9 = 64; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 32; [L33] float var_1_12 = 16.8; VAL [isInitial=0, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L63] var_1_3 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L64] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L65] var_1_4 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L66] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L68] var_1_5 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L69] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L71] var_1_7 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=64, var_1_9=64] [L72] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=64, var_1_9=64] [L73] var_1_8 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=64] [L74] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=64] [L75] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=64] [L75] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=64] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L77] RET assume_abort_if_not(var_1_9 >= 64) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L78] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L78] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L79] var_1_10 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=201, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=201, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L80] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=201, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L81] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=201, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=201, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L81] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=201, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L82] var_1_12 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=201, var_1_11=32, var_1_12=1000006, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=201, var_1_11=32, var_1_12=1000006, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L83] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=201, var_1_11=32, var_1_12=1000006, var_1_1=32, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L96] RET updateVariables() [L97] CALL step() [L37] COND FALSE !(var_1_2 || (64.75f < var_1_3)) [L44] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=201, var_1_11=32, var_1_12=1000006, var_1_1=0, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=8, var_1_7=1000005, var_1_8=127, var_1_9=75] [L46] COND TRUE var_1_3 <= var_1_7 [L47] var_1_6 = ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5) VAL [isInitial=1, var_1_10=201, var_1_11=32, var_1_12=1000006, var_1_1=0, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=202, var_1_7=1000005, var_1_8=127, var_1_9=75] [L51] COND FALSE !(((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) VAL [isInitial=1, var_1_10=201, var_1_11=32, var_1_12=1000006, var_1_1=0, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=202, var_1_7=1000005, var_1_8=127, var_1_9=75] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return (((var_1_2 || (64.75f < var_1_3)) ? (var_1_2 ? (var_1_1 == ((signed char) (var_1_4 - var_1_5))) : (var_1_1 == ((signed char) var_1_4))) : (var_1_1 == ((signed char) var_1_5))) && ((var_1_3 <= var_1_7) ? (var_1_6 == ((unsigned char) ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5))) : (var_1_6 == ((unsigned char) var_1_10)))) && ((((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) ? ((var_1_3 == (var_1_7 + var_1_12)) ? (var_1_11 == ((unsigned char) (var_1_9 + var_1_5))) : (var_1_11 == ((unsigned char) var_1_9))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=201, var_1_11=32, var_1_12=1000006, var_1_1=0, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=202, var_1_7=1000005, var_1_8=127, var_1_9=75] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=201, var_1_11=32, var_1_12=1000006, var_1_1=0, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=202, var_1_7=1000005, var_1_8=127, var_1_9=75] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=201, var_1_11=32, var_1_12=1000006, var_1_1=0, var_1_2=0, var_1_3=1000007, var_1_4=-1, var_1_5=0, var_1_6=202, var_1_7=1000005, var_1_8=127, var_1_9=75] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 15, 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=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 02:08:24,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/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_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 481fb6163129bcac31bfa5548f3c66416510365b56cd1a0ddcb41986b1359b6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:08:26,582 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:08:26,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:08:26,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:08:26,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:08:26,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:08:26,780 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:08:26,780 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:08:26,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:08:26,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:08:26,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:08:26,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:08:26,789 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:08:26,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:08:26,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:08:26,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:08:26,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:08:26,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:08:26,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:08:26,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:08:26,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:08:26,796 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:08:26,797 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:08:26,797 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:08:26,798 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:08:26,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:08:26,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:08:26,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:08:26,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:08:26,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:08:26,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:26,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:08:26,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:08:26,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:08:26,803 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:08:26,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:08:26,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:08:26,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:08:26,804 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:08:26,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:08:26,806 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:08:26,807 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:08:26,808 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 481fb6163129bcac31bfa5548f3c66416510365b56cd1a0ddcb41986b1359b6e [2023-11-12 02:08:27,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:08:27,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:08:27,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:08:27,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:08:27,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:08:27,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i [2023-11-12 02:08:30,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:08:30,835 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:08:30,837 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i [2023-11-12 02:08:30,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/data/11902bfb9/799a7c3e379a42c596774b591dc4693c/FLAGcd44889de [2023-11-12 02:08:30,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/data/11902bfb9/799a7c3e379a42c596774b591dc4693c [2023-11-12 02:08:30,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:08:30,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:08:30,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:30,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:08:30,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:08:30,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:30" (1/1) ... [2023-11-12 02:08:30,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508d654d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:30, skipping insertion in model container [2023-11-12 02:08:30,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:30" (1/1) ... [2023-11-12 02:08:30,930 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:08:31,118 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_9961566c-4c5c-47a0-b8f8-97def6913eda/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i[915,928] [2023-11-12 02:08:31,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:31,175 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:08:31,190 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_9961566c-4c5c-47a0-b8f8-97def6913eda/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-24.i[915,928] [2023-11-12 02:08:31,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:31,243 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:08:31,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31 WrapperNode [2023-11-12 02:08:31,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:31,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:31,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:08:31,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:08:31,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,300 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2023-11-12 02:08:31,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:31,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:08:31,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:08:31,302 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:08:31,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:08:31,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:08:31,398 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:08:31,398 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:08:31,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (1/1) ... [2023-11-12 02:08:31,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:31,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:08:31,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:08:31,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:08:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:08:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:08:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:08:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:08:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:08:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:08:31,598 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:08:31,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:08:32,134 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:08:32,141 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:08:32,141 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:08:32,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:32 BoogieIcfgContainer [2023-11-12 02:08:32,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:08:32,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:08:32,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:08:32,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:08:32,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:08:30" (1/3) ... [2023-11-12 02:08:32,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7472d8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:32, skipping insertion in model container [2023-11-12 02:08:32,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:31" (2/3) ... [2023-11-12 02:08:32,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7472d8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:32, skipping insertion in model container [2023-11-12 02:08:32,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:32" (3/3) ... [2023-11-12 02:08:32,152 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-24.i [2023-11-12 02:08:32,171 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:08:32,172 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:08:32,232 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:08:32,239 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=PETRI_NET, 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;@414d1d68, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:08:32,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:08:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-12 02:08:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-12 02:08:32,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:08:32,261 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:32,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:08:32,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:32,271 INFO L85 PathProgramCache]: Analyzing trace with hash 632852358, now seen corresponding path program 1 times [2023-11-12 02:08:32,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:08:32,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831731901] [2023-11-12 02:08:32,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:32,293 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 [2023-11-12 02:08:32,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:08:32,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:08:32,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9961566c-4c5c-47a0-b8f8-97def6913eda/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:08:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:32,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:08:32,739 INFO L285 TraceCheckSpWp]: Computing forward predicates...