./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu --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 e39747c0599d257bc9747ed62d5cd40f48dc813d2f5d610d9a9769b95be59735 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:06:09,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:09,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:06:09,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:09,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:09,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:09,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:09,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:09,716 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:06:09,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:06:09,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:09,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:09,719 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:09,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:09,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:06:09,721 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:06:09,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:06:09,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:06:09,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:09,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:06:09,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:06:09,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:06:09,726 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:06:09,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:06:09,727 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:09,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:09,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:09,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:06:09,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:09,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:09,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:06:09,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:06:09,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:06:09,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:06:09,732 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:06:09,733 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:06:09,733 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:06:09,733 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:06:09,734 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:06:09,734 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_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e39747c0599d257bc9747ed62d5cd40f48dc813d2f5d610d9a9769b95be59735 [2023-11-19 08:06:10,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:10,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:10,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:10,035 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:10,039 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:10,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-19 08:06:13,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:06:13,650 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:06:13,651 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-19 08:06:13,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/data/8aa9b1c68/ec3118658a7e4841b89a79081ac57665/FLAGd649394b3 [2023-11-19 08:06:13,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/data/8aa9b1c68/ec3118658a7e4841b89a79081ac57665 [2023-11-19 08:06:13,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:06:13,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:06:13,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:13,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:06:13,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:06:13,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:13" (1/1) ... [2023-11-19 08:06:13,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4baaea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:13, skipping insertion in model container [2023-11-19 08:06:13,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:13" (1/1) ... [2023-11-19 08:06:13,744 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:13,905 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_95146995-0678-446b-bbf7-73b464e2ea2d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i[915,928] [2023-11-19 08:06:13,949 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:13,961 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:06:13,976 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_95146995-0678-446b-bbf7-73b464e2ea2d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i[915,928] [2023-11-19 08:06:14,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:14,039 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:06:14,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14 WrapperNode [2023-11-19 08:06:14,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:14,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:14,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:06:14,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:06:14,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,089 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-11-19 08:06:14,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:14,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:06:14,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:06:14,091 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:06:14,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:06:14,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:06:14,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:06:14,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:06:14,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (1/1) ... [2023-11-19 08:06:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:14,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:14,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:06:14,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:06:14,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:06:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:06:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:06:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:06:14,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:06:14,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:06:14,292 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:06:14,294 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:14,681 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:14,692 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:14,692 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:06:14,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:14 BoogieIcfgContainer [2023-11-19 08:06:14,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:14,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:14,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:14,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:14,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:13" (1/3) ... [2023-11-19 08:06:14,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2ec2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:14, skipping insertion in model container [2023-11-19 08:06:14,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:14" (2/3) ... [2023-11-19 08:06:14,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2ec2bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:14, skipping insertion in model container [2023-11-19 08:06:14,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:14" (3/3) ... [2023-11-19 08:06:14,707 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-19 08:06:14,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:14,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:06:14,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:06:14,800 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@3f58799b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:06:14,800 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:06:14,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 08:06:14,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 08:06:14,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:14,826 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:14,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:14,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:14,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1780423165, now seen corresponding path program 1 times [2023-11-19 08:06:14,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:14,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411162105] [2023-11-19 08:06:14,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:14,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:15,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:06:15,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411162105] [2023-11-19 08:06:15,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 08:06:15,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47378459] [2023-11-19 08:06:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:15,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:15,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:15,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:06:15,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:06:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:15,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:06:15,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-19 08:06:15,443 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:06:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47378459] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:15,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:15,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:06:15,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344248722] [2023-11-19 08:06:15,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:15,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:06:15,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:06:15,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:06:15,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:15,491 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 08:06:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:15,531 INFO L93 Difference]: Finished difference Result 127 states and 214 transitions. [2023-11-19 08:06:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:06:15,534 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2023-11-19 08:06:15,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:15,544 INFO L225 Difference]: With dead ends: 127 [2023-11-19 08:06:15,544 INFO L226 Difference]: Without dead ends: 61 [2023-11-19 08:06:15,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:15,553 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:15,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:06:15,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-19 08:06:15,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-19 08:06:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 08:06:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 90 transitions. [2023-11-19 08:06:15,610 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 90 transitions. Word has length 144 [2023-11-19 08:06:15,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:15,610 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 90 transitions. [2023-11-19 08:06:15,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 08:06:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2023-11-19 08:06:15,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 08:06:15,616 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:15,617 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:15,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-19 08:06:15,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 08:06:15,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:15,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:15,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1587194743, now seen corresponding path program 1 times [2023-11-19 08:06:15,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:06:15,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489089657] [2023-11-19 08:06:15,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:15,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:06:15,944 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 08:06:15,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [499367051] [2023-11-19 08:06:15,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:15,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:15,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:15,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:06:15,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:06:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:06:16,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:06:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:06:16,260 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:06:16,260 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:06:16,262 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:06:16,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:06:16,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:06:16,482 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 08:06:16,486 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:06:16,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 08:06:16,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-19 08:06:16,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:06:16 BoogieIcfgContainer [2023-11-19 08:06:16,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:06:16,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:06:16,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:06:16,618 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:06:16,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:14" (3/4) ... [2023-11-19 08:06:16,624 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:06:16,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:06:16,626 INFO L158 Benchmark]: Toolchain (without parser) took 2938.80ms. Allocated memory is still 197.1MB. Free memory was 150.3MB in the beginning and 114.2MB in the end (delta: 36.1MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-19 08:06:16,627 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:06:16,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.92ms. Allocated memory is still 197.1MB. Free memory was 149.7MB in the beginning and 137.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:06:16,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.59ms. Allocated memory is still 197.1MB. Free memory was 137.8MB in the beginning and 135.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:06:16,629 INFO L158 Benchmark]: Boogie Preprocessor took 32.68ms. Allocated memory is still 197.1MB. Free memory was 135.7MB in the beginning and 134.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:06:16,630 INFO L158 Benchmark]: RCFGBuilder took 572.73ms. Allocated memory is still 197.1MB. Free memory was 133.6MB in the beginning and 118.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:06:16,630 INFO L158 Benchmark]: TraceAbstraction took 1917.31ms. Allocated memory is still 197.1MB. Free memory was 117.4MB in the beginning and 115.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-11-19 08:06:16,631 INFO L158 Benchmark]: Witness Printer took 7.40ms. Allocated memory is still 197.1MB. Free memory was 115.1MB in the beginning and 114.2MB in the end (delta: 934.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:06:16,635 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 142.6MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.92ms. Allocated memory is still 197.1MB. Free memory was 149.7MB in the beginning and 137.8MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.59ms. Allocated memory is still 197.1MB. Free memory was 137.8MB in the beginning and 135.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.68ms. Allocated memory is still 197.1MB. Free memory was 135.7MB in the beginning and 134.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.73ms. Allocated memory is still 197.1MB. Free memory was 133.6MB in the beginning and 118.0MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1917.31ms. Allocated memory is still 197.1MB. Free memory was 117.4MB in the beginning and 115.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 7.40ms. Allocated memory is still 197.1MB. Free memory was 115.1MB in the beginning and 114.2MB in the end (delta: 934.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10000000.8; [L23] double var_1_3 = 16.2; [L24] double var_1_4 = 7.5; [L25] double var_1_5 = 49.6; [L26] signed short int var_1_6 = -10; [L27] unsigned long int var_1_7 = 3280833198; [L28] unsigned long int var_1_8 = 10000000; [L29] signed short int var_1_10 = 1; [L30] signed long int var_1_11 = -32; [L31] double var_1_12 = 128.25; [L32] double var_1_13 = 4.4; [L33] signed long int var_1_14 = -1; [L34] signed long int var_1_15 = 4; [L35] signed long int var_1_16 = 64; [L36] signed long int var_1_17 = 4; [L37] unsigned char var_1_18 = 1; [L38] unsigned char var_1_19 = 1; VAL [isInitial=0, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L100] isInitial = 1 [L101] FCALL initially() [L102] int k_loop; [L103] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L103] COND TRUE k_loop < 1 [L104] FCALL updateLastVariables() [L105] CALL updateVariables() [L56] var_1_3 = __VERIFIER_nondet_double() [L57] CALL assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L57] RET assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L58] var_1_4 = __VERIFIER_nondet_double() [L59] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L59] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L60] var_1_5 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L61] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L62] var_1_7 = __VERIFIER_nondet_ulong() [L63] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L63] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L64] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L64] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=10000000] [L65] var_1_8 = __VERIFIER_nondet_ulong() [L66] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L66] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L67] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L67] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L68] var_1_10 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L69] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L70] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L70] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L71] var_1_12 = __VERIFIER_nondet_double() [L72] 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=0, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L72] 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=0, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L73] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L73] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L74] var_1_13 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L75] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L76] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L76] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L77] var_1_14 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L78] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L79] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L79] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L81] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L83] var_1_16 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L84] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L85] CALL assume_abort_if_not(var_1_16 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L85] RET assume_abort_if_not(var_1_16 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L86] var_1_17 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L87] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L88] CALL assume_abort_if_not(var_1_17 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L88] RET assume_abort_if_not(var_1_17 <= 2147483646) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L89] var_1_19 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L90] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L91] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L91] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-32, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L105] RET updateVariables() [L106] CALL step() [L42] COND TRUE (var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13)))) [L43] var_1_11 = (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L45] EXPR var_1_15 >> var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L45] COND TRUE ((var_1_15 >> var_1_11) * var_1_7) <= var_1_17 [L46] var_1_18 = var_1_19 VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L48] COND TRUE \read(var_1_18) [L49] var_1_1 = (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L51] COND FALSE !((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L106] RET step() [L107] CALL, EXPR property() [L96] EXPR (((var_1_18 ? (var_1_1 == ((double) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11) ? (var_1_6 == ((signed short int) var_1_10)) : 1)) && (((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11 == ((signed long int) (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))))) : 1)) && ((((var_1_15 >> var_1_11) * var_1_7) <= var_1_17) ? (var_1_18 == ((unsigned char) var_1_19)) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L96-L97] return (((var_1_18 ? (var_1_1 == ((double) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11) ? (var_1_6 == ((signed short int) var_1_10)) : 1)) && (((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11 == ((signed long int) (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))))) : 1)) && ((((var_1_15 >> var_1_11) * var_1_7) <= var_1_17) ? (var_1_18 == ((unsigned char) var_1_19)) : 1) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=4, var_1_13=5, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=1, var_1_19=1, var_1_4=2, var_1_5=3, var_1_6=-10, var_1_7=2147483647, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 94 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 331 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1012/1012 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:06:16,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu --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 e39747c0599d257bc9747ed62d5cd40f48dc813d2f5d610d9a9769b95be59735 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:06:19,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:06:19,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:06:19,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:06:19,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:06:19,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:06:19,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:06:19,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:06:19,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:06:19,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:06:19,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:06:19,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:06:19,732 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:06:19,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:06:19,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:06:19,738 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:06:19,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:06:19,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:06:19,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:06:19,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:06:19,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:06:19,742 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:06:19,743 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:06:19,743 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:06:19,744 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:06:19,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:06:19,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:06:19,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:06:19,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:06:19,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:06:19,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:19,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:06:19,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:06:19,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:06:19,750 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:06:19,750 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:06:19,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:06:19,750 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:06:19,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:06:19,752 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:06:19,752 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:06:19,752 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:06:19,752 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_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e39747c0599d257bc9747ed62d5cd40f48dc813d2f5d610d9a9769b95be59735 [2023-11-19 08:06:20,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:06:20,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:06:20,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:06:20,173 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:06:20,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:06:20,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-19 08:06:23,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:06:23,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:06:23,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-19 08:06:23,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/data/d3ef8a0bf/62f3d8ad516548738bb075b7476f0dd3/FLAG053476768 [2023-11-19 08:06:23,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/data/d3ef8a0bf/62f3d8ad516548738bb075b7476f0dd3 [2023-11-19 08:06:23,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:06:23,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:06:23,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:23,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:06:23,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:06:23,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:23" (1/1) ... [2023-11-19 08:06:23,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55444a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:23, skipping insertion in model container [2023-11-19 08:06:23,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:23" (1/1) ... [2023-11-19 08:06:23,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:06:23,938 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_95146995-0678-446b-bbf7-73b464e2ea2d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i[915,928] [2023-11-19 08:06:23,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:24,025 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:06:24,052 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_95146995-0678-446b-bbf7-73b464e2ea2d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-17.i[915,928] [2023-11-19 08:06:24,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:06:24,107 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:06:24,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24 WrapperNode [2023-11-19 08:06:24,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:06:24,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:24,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:06:24,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:06:24,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,166 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-19 08:06:24,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:06:24,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:06:24,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:06:24,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:06:24,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:06:24,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:06:24,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:06:24,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:06:24,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (1/1) ... [2023-11-19 08:06:24,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:06:24,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:06:24,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:06:24,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:06:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:06:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:06:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:06:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:06:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:06:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:06:24,475 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:06:24,477 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:06:32,939 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:06:32,951 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:06:32,951 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:06:32,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:32 BoogieIcfgContainer [2023-11-19 08:06:32,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:06:32,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:06:32,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:06:32,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:06:32,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:23" (1/3) ... [2023-11-19 08:06:32,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abdc992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:32, skipping insertion in model container [2023-11-19 08:06:32,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:24" (2/3) ... [2023-11-19 08:06:32,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abdc992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:32, skipping insertion in model container [2023-11-19 08:06:32,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:32" (3/3) ... [2023-11-19 08:06:32,969 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-17.i [2023-11-19 08:06:32,992 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:06:32,993 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:06:33,051 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:06:33,059 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;@33546d6c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:06:33,059 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:06:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 08:06:33,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 08:06:33,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:33,084 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:33,085 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:33,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:33,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1322027907, now seen corresponding path program 1 times [2023-11-19 08:06:33,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:06:33,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345684100] [2023-11-19 08:06:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:33,110 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:33,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:06:33,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:06:33,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 08:06:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:34,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:06:34,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:06:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2023-11-19 08:06:34,885 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:06:34,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:06:34,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345684100] [2023-11-19 08:06:34,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345684100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:06:34,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:06:34,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:06:34,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123665472] [2023-11-19 08:06:34,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:06:34,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:06:34,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:06:34,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:06:34,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:34,938 INFO L87 Difference]: Start difference. First operand has 60 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 35 states have internal predecessors, (43), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 08:06:34,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:06:34,978 INFO L93 Difference]: Finished difference Result 117 states and 198 transitions. [2023-11-19 08:06:34,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:06:34,981 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 141 [2023-11-19 08:06:34,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:06:34,990 INFO L225 Difference]: With dead ends: 117 [2023-11-19 08:06:34,991 INFO L226 Difference]: Without dead ends: 56 [2023-11-19 08:06:34,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:06:35,002 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:06:35,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:06:35,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-19 08:06:35,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-19 08:06:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 08:06:35,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 82 transitions. [2023-11-19 08:06:35,076 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 82 transitions. Word has length 141 [2023-11-19 08:06:35,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:06:35,077 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 82 transitions. [2023-11-19 08:06:35,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 08:06:35,078 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2023-11-19 08:06:35,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 08:06:35,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:06:35,083 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:06:35,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:06:35,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:35,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:06:35,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:06:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash 661324727, now seen corresponding path program 1 times [2023-11-19 08:06:35,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:06:35,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429848006] [2023-11-19 08:06:35,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:06:35,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:06:35,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:06:35,288 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:06:35,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95146995-0678-446b-bbf7-73b464e2ea2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 08:06:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:06:37,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 08:06:37,145 INFO L285 TraceCheckSpWp]: Computing forward predicates...