./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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_bba1c78e-45f0-416a-a46e-f56d719c8231/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 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:24,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:25,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:02:25,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:25,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:25,070 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:25,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:25,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:25,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:25,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:25,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:25,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:25,080 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:25,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:25,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:25,083 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:25,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:25,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:25,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:25,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:25,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:25,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:25,087 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:25,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:25,089 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:25,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:25,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:25,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:25,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:25,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:25,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:25,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:25,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:25,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:25,094 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:25,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:25,095 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:25,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:25,095 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:25,096 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_bba1c78e-45f0-416a-a46e-f56d719c8231/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 [2023-11-19 08:02:25,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:25,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:25,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:25,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:25,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:25,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2023-11-19 08:02:28,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:28,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:28,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2023-11-19 08:02:28,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/data/0f44dc8ab/cb5372bad0ec442cb58d381d509eda19/FLAG014530e2c [2023-11-19 08:02:28,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/data/0f44dc8ab/cb5372bad0ec442cb58d381d509eda19 [2023-11-19 08:02:28,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:28,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:28,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:28,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:28,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:28,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:28" (1/1) ... [2023-11-19 08:02:28,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f3a470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:28, skipping insertion in model container [2023-11-19 08:02:28,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:28" (1/1) ... [2023-11-19 08:02:28,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:29,036 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_bba1c78e-45f0-416a-a46e-f56d719c8231/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2023-11-19 08:02:29,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:29,080 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:29,091 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_bba1c78e-45f0-416a-a46e-f56d719c8231/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2023-11-19 08:02:29,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:29,122 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:29,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29 WrapperNode [2023-11-19 08:02:29,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:29,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:29,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:29,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:29,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,173 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2023-11-19 08:02:29,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:29,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:29,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:29,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:29,185 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,202 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:29,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:29,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:29,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:29,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (1/1) ... [2023-11-19 08:02:29,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:29,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:29,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:29,401 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:29,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:29,781 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:29,803 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:29,803 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:02:29,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:29 BoogieIcfgContainer [2023-11-19 08:02:29,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:29,810 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:29,810 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:29,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:29,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:28" (1/3) ... [2023-11-19 08:02:29,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c998269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:29, skipping insertion in model container [2023-11-19 08:02:29,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:29" (2/3) ... [2023-11-19 08:02:29,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c998269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:29, skipping insertion in model container [2023-11-19 08:02:29,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:29" (3/3) ... [2023-11-19 08:02:29,824 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-99.i [2023-11-19 08:02:29,841 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:29,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:02:29,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:29,899 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;@bea1ccc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:29,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:02:29,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 08:02:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:02:29,914 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:29,914 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:29,915 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:29,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:29,920 INFO L85 PathProgramCache]: Analyzing trace with hash -679288925, now seen corresponding path program 1 times [2023-11-19 08:02:29,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:29,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197596521] [2023-11-19 08:02:29,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:29,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:02:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:02:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:02:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:02:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 08:02:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:02:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 08:02:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 08:02:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:02:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 08:02:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 08:02:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:02:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-19 08:02:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 08:02:30,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:30,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197596521] [2023-11-19 08:02:30,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197596521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:30,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:30,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:30,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360804852] [2023-11-19 08:02:30,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:30,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:02:30,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:30,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:02:30,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:02:30,432 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 08:02:30,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:30,478 INFO L93 Difference]: Finished difference Result 77 states and 123 transitions. [2023-11-19 08:02:30,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:02:30,481 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2023-11-19 08:02:30,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:30,491 INFO L225 Difference]: With dead ends: 77 [2023-11-19 08:02:30,491 INFO L226 Difference]: Without dead ends: 38 [2023-11-19 08:02:30,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 41 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 08:02:30,501 INFO L413 NwaCegarLoop]: 51 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, 51 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 08:02:30,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-19 08:02:30,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-19 08:02:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 08:02:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2023-11-19 08:02:30,561 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 84 [2023-11-19 08:02:30,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:30,563 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2023-11-19 08:02:30,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 08:02:30,564 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-19 08:02:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:02:30,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:30,573 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:30,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:02:30,573 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:30,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:30,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1081124375, now seen corresponding path program 1 times [2023-11-19 08:02:30,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:30,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135922657] [2023-11-19 08:02:30,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:30,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:02:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:02:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:02:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:02:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 08:02:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 08:02:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 08:02:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-19 08:02:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:02:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 08:02:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 08:02:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 08:02:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-19 08:02:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 08:02:32,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:32,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135922657] [2023-11-19 08:02:32,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135922657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:32,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:32,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 08:02:32,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858009343] [2023-11-19 08:02:32,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:32,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:02:32,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:32,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:02:32,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:02:32,255 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 08:02:32,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:32,790 INFO L93 Difference]: Finished difference Result 81 states and 106 transitions. [2023-11-19 08:02:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 08:02:32,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2023-11-19 08:02:32,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:32,794 INFO L225 Difference]: With dead ends: 81 [2023-11-19 08:02:32,794 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 08:02:32,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:02:32,797 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 86 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:32,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 231 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:02:32,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 08:02:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 58. [2023-11-19 08:02:32,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 39 states have internal predecessors, (40), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 08:02:32,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2023-11-19 08:02:32,823 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 84 [2023-11-19 08:02:32,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:32,824 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-19 08:02:32,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 08:02:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-19 08:02:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:02:32,826 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:32,827 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:32,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:02:32,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:32,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:32,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1023866073, now seen corresponding path program 1 times [2023-11-19 08:02:32,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:32,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118988847] [2023-11-19 08:02:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:32,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:32,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:32,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:32,972 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:02:32,974 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:02:32,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:02:32,979 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 08:02:32,986 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:02:33,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:33 BoogieIcfgContainer [2023-11-19 08:02:33,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:02:33,058 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:33,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:33,058 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:33,059 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:29" (3/4) ... [2023-11-19 08:02:33,061 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:02:33,062 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:33,063 INFO L158 Benchmark]: Toolchain (without parser) took 4217.45ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 96.7MB in the beginning and 67.6MB in the end (delta: 29.1MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-19 08:02:33,064 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:33,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.11ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 85.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:02:33,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.66ms. Allocated memory is still 134.2MB. Free memory was 85.0MB in the beginning and 82.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:33,065 INFO L158 Benchmark]: Boogie Preprocessor took 34.08ms. Allocated memory is still 134.2MB. Free memory was 82.8MB in the beginning and 81.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:33,066 INFO L158 Benchmark]: RCFGBuilder took 597.87ms. Allocated memory is still 134.2MB. Free memory was 81.4MB in the beginning and 68.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:02:33,067 INFO L158 Benchmark]: TraceAbstraction took 3247.67ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 67.7MB in the beginning and 68.7MB in the end (delta: -1.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 08:02:33,067 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 182.5MB. Free memory was 68.7MB in the beginning and 67.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:33,070 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.11ms. Allocated memory is still 134.2MB. Free memory was 96.7MB in the beginning and 85.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.66ms. Allocated memory is still 134.2MB. Free memory was 85.0MB in the beginning and 82.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.08ms. Allocated memory is still 134.2MB. Free memory was 82.8MB in the beginning and 81.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.87ms. Allocated memory is still 134.2MB. Free memory was 81.4MB in the beginning and 68.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3247.67ms. Allocated memory was 134.2MB in the beginning and 182.5MB in the end (delta: 48.2MB). Free memory was 67.7MB in the beginning and 68.7MB in the end (delta: -1.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 182.5MB. Free memory was 68.7MB in the beginning and 67.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 3.25; [L24] double var_1_3 = 32.75; [L25] double var_1_4 = 128.75; [L26] unsigned char var_1_6 = 32; [L27] unsigned char var_1_7 = 32; [L28] unsigned char var_1_8 = 16; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 1; [L31] unsigned char var_1_11 = 1; [L32] signed short int var_1_12 = 10; VAL [isInitial=0, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_2=13/4, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L72] isInitial = 1 [L73] FCALL initially() [L74] COND TRUE 1 [L75] FCALL updateLastVariables() [L76] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=131/4, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L45] var_1_3 = __VERIFIER_nondet_double() [L46] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L46] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=515/4, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L47] var_1_4 = __VERIFIER_nondet_double() [L48] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L48] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=32, var_1_7=32, var_1_8=16, var_1_9=0] [L49] var_1_6 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L50] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L51] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L51] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=32, var_1_8=16, var_1_9=0] [L52] var_1_7 = __VERIFIER_nondet_uchar() [L53] CALL assume_abort_if_not(var_1_7 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L53] RET assume_abort_if_not(var_1_7 >= 32) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L54] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L54] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=16, var_1_9=0] [L55] var_1_8 = __VERIFIER_nondet_uchar() [L56] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L56] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L57] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L57] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=0] [L58] var_1_9 = __VERIFIER_nondet_uchar() [L59] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L59] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L60] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L60] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L61] var_1_11 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L62] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L63] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L63] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L76] RET updateVariables() [L77] CALL step() [L36] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L37] COND FALSE !((var_1_2 <= (var_1_3 - var_1_4)) && var_1_10) VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=10, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L40] var_1_12 = var_1_1 VAL [isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L77] RET step() [L78] CALL, EXPR property() [L68-L69] return ((((var_1_2 <= (var_1_3 - var_1_4)) && var_1_10) ? (var_1_1 == ((unsigned char) (((var_1_6 + var_1_7) - var_1_8) + var_1_9))) : 1) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((signed short int) var_1_1)) ; VAL [\result=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L78] RET, EXPR property() [L78] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=1, var_1_12=1, var_1_1=1, var_1_3=134, var_1_4=133, var_1_6=64, var_1_7=63, var_1_8=4, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 282 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 124 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 624/624 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 08:02:33,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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_bba1c78e-45f0-416a-a46e-f56d719c8231/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 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:35,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:35,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:02:35,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:35,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:35,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:35,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:35,969 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:35,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:35,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:35,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:35,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:35,978 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:35,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:35,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:35,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:35,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:35,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:35,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:35,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:35,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:35,985 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:02:35,986 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:02:35,986 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:02:35,987 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:35,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:35,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:35,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:35,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:35,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:35,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:35,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:35,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:35,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:35,993 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:02:35,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:35,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:35,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:35,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:35,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:35,996 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:02:35,996 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:35,996 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_bba1c78e-45f0-416a-a46e-f56d719c8231/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573cbc57cae1350f9d2f59bf5c5a92b8e982a601942d1fa1ee0f6a2a387b8d33 [2023-11-19 08:02:36,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:36,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:36,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:36,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:36,443 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:36,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2023-11-19 08:02:39,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:39,868 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:39,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i [2023-11-19 08:02:39,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/data/b71d9320a/22b9ce58b1ff4f988a652cdfbe3618e8/FLAGfa628c2cd [2023-11-19 08:02:39,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/data/b71d9320a/22b9ce58b1ff4f988a652cdfbe3618e8 [2023-11-19 08:02:39,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:39,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:39,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:39,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:39,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:39,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:39" (1/1) ... [2023-11-19 08:02:39,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3080483a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:39, skipping insertion in model container [2023-11-19 08:02:39,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:39" (1/1) ... [2023-11-19 08:02:39,936 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:40,091 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_bba1c78e-45f0-416a-a46e-f56d719c8231/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2023-11-19 08:02:40,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:40,139 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:40,153 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_bba1c78e-45f0-416a-a46e-f56d719c8231/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-99.i[915,928] [2023-11-19 08:02:40,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:40,200 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:40,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40 WrapperNode [2023-11-19 08:02:40,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:40,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:40,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:40,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:40,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,279 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2023-11-19 08:02:40,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:40,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:40,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:40,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:40,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,330 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:40,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:40,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:40,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:40,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (1/1) ... [2023-11-19 08:02:40,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:40,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:40,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:40,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:40,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:02:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:02:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:02:40,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:40,492 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:40,494 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:41,533 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:41,542 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:41,543 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:02:41,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:41 BoogieIcfgContainer [2023-11-19 08:02:41,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:41,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:41,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:41,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:41,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:39" (1/3) ... [2023-11-19 08:02:41,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c59402c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:41, skipping insertion in model container [2023-11-19 08:02:41,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:40" (2/3) ... [2023-11-19 08:02:41,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c59402c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:41, skipping insertion in model container [2023-11-19 08:02:41,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:41" (3/3) ... [2023-11-19 08:02:41,567 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-99.i [2023-11-19 08:02:41,590 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:41,590 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:02:41,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:41,651 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;@374320dd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:41,651 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:02:41,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 08:02:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:02:41,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:41,669 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:41,669 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:41,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:41,679 INFO L85 PathProgramCache]: Analyzing trace with hash -679288925, now seen corresponding path program 1 times [2023-11-19 08:02:41,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:41,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1363360598] [2023-11-19 08:02:41,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:41,697 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 08:02:41,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:41,700 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 08:02:41,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 08:02:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:41,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 08:02:41,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2023-11-19 08:02:42,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:42,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:42,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1363360598] [2023-11-19 08:02:42,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1363360598] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:42,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:42,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:42,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486658480] [2023-11-19 08:02:42,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:42,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:02:42,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:42,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:02:42,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:02:42,048 INFO L87 Difference]: Start difference. First operand has 42 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 08:02:42,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:42,077 INFO L93 Difference]: Finished difference Result 77 states and 123 transitions. [2023-11-19 08:02:42,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:02:42,080 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2023-11-19 08:02:42,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:42,088 INFO L225 Difference]: With dead ends: 77 [2023-11-19 08:02:42,088 INFO L226 Difference]: Without dead ends: 38 [2023-11-19 08:02:42,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 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 08:02:42,095 INFO L413 NwaCegarLoop]: 51 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, 51 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 08:02:42,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-19 08:02:42,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-19 08:02:42,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 08:02:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2023-11-19 08:02:42,169 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 84 [2023-11-19 08:02:42,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:42,170 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2023-11-19 08:02:42,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 08:02:42,170 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-19 08:02:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:02:42,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:42,175 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:42,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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)] Ended with exit code 0 [2023-11-19 08:02:42,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 08:02:42,384 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:42,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:42,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1081124375, now seen corresponding path program 1 times [2023-11-19 08:02:42,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:42,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1181350680] [2023-11-19 08:02:42,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:42,387 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 08:02:42,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:42,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 08:02:42,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 08:02:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:42,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 08:02:42,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 228 proven. 63 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 08:02:45,095 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 08:02:45,892 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:45,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1181350680] [2023-11-19 08:02:45,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1181350680] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:45,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:45,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [25] total 30 [2023-11-19 08:02:45,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976290714] [2023-11-19 08:02:45,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:45,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:02:45,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:45,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:02:45,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=706, Unknown=0, NotChecked=0, Total=870 [2023-11-19 08:02:45,897 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 08:02:48,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:48,256 INFO L93 Difference]: Finished difference Result 81 states and 106 transitions. [2023-11-19 08:02:48,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 08:02:48,262 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 84 [2023-11-19 08:02:48,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:48,265 INFO L225 Difference]: With dead ends: 81 [2023-11-19 08:02:48,265 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 08:02:48,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=197, Invalid=993, Unknown=0, NotChecked=0, Total=1190 [2023-11-19 08:02:48,268 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 75 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:48,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 249 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 08:02:48,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 08:02:48,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 58. [2023-11-19 08:02:48,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.0526315789473684) internal successors, (40), 39 states have internal predecessors, (40), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 08:02:48,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2023-11-19 08:02:48,292 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 84 [2023-11-19 08:02:48,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:48,293 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2023-11-19 08:02:48,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-11-19 08:02:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2023-11-19 08:02:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:02:48,296 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:48,296 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:02:48,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:48,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 08:02:48,502 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:48,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:48,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1023866073, now seen corresponding path program 1 times [2023-11-19 08:02:48,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:48,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763952016] [2023-11-19 08:02:48,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:48,508 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 08:02:48,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:48,509 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 08:02:48,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 (4)] Waiting until timeout for monitored process [2023-11-19 08:02:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:48,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 08:02:48,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:56,587 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 08:02:56,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:56,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:56,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763952016] [2023-11-19 08:02:56,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763952016] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:56,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:56,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-19 08:02:56,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529893407] [2023-11-19 08:02:56,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:56,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 08:02:56,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:56,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 08:02:56,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-11-19 08:02:56,591 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 08:03:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:03:15,263 INFO L93 Difference]: Finished difference Result 92 states and 119 transitions. [2023-11-19 08:03:15,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-19 08:03:15,273 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2023-11-19 08:03:15,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:03:15,275 INFO L225 Difference]: With dead ends: 92 [2023-11-19 08:03:15,275 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 08:03:15,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2023-11-19 08:03:15,279 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 84 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2023-11-19 08:03:15,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 259 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2023-11-19 08:03:15,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 08:03:15,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 08:03:15,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:03:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 08:03:15,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2023-11-19 08:03:15,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:03:15,285 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:03:15,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 11 states have internal predecessors, (28), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 08:03:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:03:15,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 08:03:15,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:03:15,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:03:15,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 08:03:15,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 08:03:20,442 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2023-11-19 08:03:20,443 INFO L895 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,443 INFO L895 garLoopResultBuilder]: At program point L56-1(line 56) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,444 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-19 08:03:20,444 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-19 08:03:20,444 INFO L895 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,444 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-19 08:03:20,444 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2023-11-19 08:03:20,445 INFO L895 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,445 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-19 08:03:20,445 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 71 82) no Hoare annotation was computed. [2023-11-19 08:03:20,445 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 66) no Hoare annotation was computed. [2023-11-19 08:03:20,445 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 08:03:20,445 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 08:03:20,446 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-11-19 08:03:20,446 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-19 08:03:20,446 INFO L895 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,446 INFO L895 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,447 INFO L899 garLoopResultBuilder]: For program point property_returnLabel#1(lines 67 70) no Hoare annotation was computed. [2023-11-19 08:03:20,447 INFO L895 garLoopResultBuilder]: At program point L74-2(lines 74 80) the Hoare annotation is: (let ((.cse3 ((_ zero_extend 24) ~var_1_11~0))) (let ((.cse0 (bvsle .cse3 (_ bv1 32))) (.cse1 (bvsge .cse3 (_ bv1 32))) (.cse2 (= .cse3 ((_ zero_extend 24) ~var_1_10~0)))) (or (and (not (fp.leq ~var_1_2~0 (fp.sub currentRoundingMode ~var_1_3~0 ~var_1_4~0))) .cse0 .cse1 .cse2) (and (= ((_ zero_extend 24) ~var_1_1~0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) ~var_1_6~0) ((_ zero_extend 24) ~var_1_7~0) ((_ zero_extend 24) ~var_1_9~0) (bvneg ((_ zero_extend 24) ~var_1_8~0)))))) (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_1~0)) ((_ sign_extend 16) ~var_1_12~0)) .cse0 (not (= |ULTIMATE.start_property_#res#1| (_ bv0 32))) .cse1 .cse2)))) [2023-11-19 08:03:20,448 INFO L899 garLoopResultBuilder]: For program point L74-3(lines 74 80) no Hoare annotation was computed. [2023-11-19 08:03:20,448 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 39) no Hoare annotation was computed. [2023-11-19 08:03:20,448 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 37 39) no Hoare annotation was computed. [2023-11-19 08:03:20,448 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed. [2023-11-19 08:03:20,449 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 08:03:20,449 INFO L902 garLoopResultBuilder]: At program point L62(line 62) the Hoare annotation is: true [2023-11-19 08:03:20,449 INFO L895 garLoopResultBuilder]: At program point L62-1(line 62) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_11~0) (_ bv1 32)) [2023-11-19 08:03:20,449 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-19 08:03:20,455 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,459 INFO L895 garLoopResultBuilder]: At program point L50-1(line 50) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,459 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,460 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-11-19 08:03:20,460 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 08:03:20,460 INFO L899 garLoopResultBuilder]: For program point L63(lines 42 64) no Hoare annotation was computed. [2023-11-19 08:03:20,460 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,461 INFO L895 garLoopResultBuilder]: At program point L59-1(line 59) the Hoare annotation is: (let ((.cse0 ((_ zero_extend 24) ~var_1_11~0))) (and (bvsle .cse0 (_ bv1 32)) (bvsge .cse0 (_ bv1 32)) (= .cse0 ((_ zero_extend 24) ~var_1_10~0)))) [2023-11-19 08:03:20,461 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-19 08:03:20,461 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 41) no Hoare annotation was computed. [2023-11-19 08:03:20,461 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-19 08:03:20,462 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-19 08:03:20,462 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-19 08:03:20,466 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-19 08:03:20,470 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 08:03:20,474 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:03:20,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:03:20 BoogieIcfgContainer [2023-11-19 08:03:20,496 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:03:20,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:03:20,500 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:03:20,501 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:03:20,502 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:41" (3/4) ... [2023-11-19 08:03:20,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:03:20,510 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 08:03:20,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-19 08:03:20,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 08:03:20,521 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:03:20,521 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:03:20,556 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((var_1_11 <= 1) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127)) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) [2023-11-19 08:03:20,591 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((var_1_11 <= 1) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127)) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) [2023-11-19 08:03:20,655 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:03:20,656 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:03:20,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:03:20,657 INFO L158 Benchmark]: Toolchain (without parser) took 40754.76ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 66.1MB in the beginning and 42.6MB in the end (delta: 23.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-11-19 08:03:20,658 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:03:20,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.95ms. Allocated memory is still 90.2MB. Free memory was 65.8MB in the beginning and 54.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:03:20,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.24ms. Allocated memory is still 90.2MB. Free memory was 54.0MB in the beginning and 52.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:03:20,659 INFO L158 Benchmark]: Boogie Preprocessor took 50.48ms. Allocated memory is still 90.2MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:03:20,659 INFO L158 Benchmark]: RCFGBuilder took 1215.85ms. Allocated memory is still 90.2MB. Free memory was 50.5MB in the beginning and 65.0MB in the end (delta: -14.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2023-11-19 08:03:20,660 INFO L158 Benchmark]: TraceAbstraction took 38938.20ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 64.2MB in the beginning and 47.8MB in the end (delta: 16.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-19 08:03:20,660 INFO L158 Benchmark]: Witness Printer took 156.27ms. Allocated memory is still 113.2MB. Free memory was 47.8MB in the beginning and 42.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:03:20,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.95ms. Allocated memory is still 90.2MB. Free memory was 65.8MB in the beginning and 54.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.24ms. Allocated memory is still 90.2MB. Free memory was 54.0MB in the beginning and 52.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.48ms. Allocated memory is still 90.2MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1215.85ms. Allocated memory is still 90.2MB. Free memory was 50.5MB in the beginning and 65.0MB in the end (delta: -14.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 38938.20ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 64.2MB in the beginning and 47.8MB in the end (delta: 16.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Witness Printer took 156.27ms. Allocated memory is still 113.2MB. Free memory was 47.8MB in the beginning and 42.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.8s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 173 SdHoareTripleChecker+Valid, 14.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 559 SdHoareTripleChecker+Invalid, 13.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 378 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 562 IncrementalHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 181 mSDtfsCounter, 562 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 352 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=2, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 56 PreInvPairs, 88 NumberOfFragments, 221 HoareAnnotationTreeSize, 56 FomulaSimplifications, 185 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 617 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 1484 SizeOfPredicates, 42 NumberOfNonLiveVariables, 412 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1185/1248 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((var_1_11 <= 1) && (var_1_11 >= 1)) && (var_1_11 == var_1_10)) || ((((((var_1_1 == (((var_1_6 + var_1_7) % 4294967296) & 127)) && (var_1_1 == var_1_12)) && (var_1_11 <= 1)) && !((\result == 0))) && (var_1_11 >= 1)) && (var_1_11 == var_1_10))) RESULT: Ultimate proved your program to be correct! [2023-11-19 08:03:20,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bba1c78e-45f0-416a-a46e-f56d719c8231/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 Writing output log to file Ultimate.log Result: TRUE