./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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 fc4e5353efb7eec98f5e9fb88faecc83b8efbbe0c5abc72bcda38d24162cd765 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:34,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:34,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:35:35,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:35,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:35,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:35,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:35,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:35,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:35,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:35,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:35,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:35,056 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:35,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:35,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:35,059 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:35,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:35,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:35,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:35,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:35,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:35,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:35,063 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:35,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:35,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:35,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:35,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:35,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:35,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:35,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:35,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:35,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:35,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:35,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:35:35,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:35,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:35,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:35,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:35,087 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:35,088 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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc4e5353efb7eec98f5e9fb88faecc83b8efbbe0c5abc72bcda38d24162cd765 [2023-11-19 07:35:35,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:35,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:35,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:35,518 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:35,519 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:35,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i [2023-11-19 07:35:38,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:38,791 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:38,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i [2023-11-19 07:35:38,804 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/data/300197a62/7aa7bc79123e46b68d8838350ff4602a/FLAGda15cacc4 [2023-11-19 07:35:38,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/data/300197a62/7aa7bc79123e46b68d8838350ff4602a [2023-11-19 07:35:38,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:38,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:38,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:38,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:38,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:38,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:38" (1/1) ... [2023-11-19 07:35:38,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4864b540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:38, skipping insertion in model container [2023-11-19 07:35:38,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:38" (1/1) ... [2023-11-19 07:35:38,897 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:39,127 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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i[915,928] [2023-11-19 07:35:39,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:39,214 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:39,226 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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i[915,928] [2023-11-19 07:35:39,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:39,269 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:39,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39 WrapperNode [2023-11-19 07:35:39,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:39,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:39,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:39,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:39,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,349 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2023-11-19 07:35:39,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:39,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:39,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:39,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:39,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:39,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:39,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:39,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:39,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (1/1) ... [2023-11-19 07:35:39,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:39,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:39,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:39,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:35:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:35:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:35:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:39,645 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:39,647 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:40,014 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:40,023 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:40,023 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:35:40,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:40 BoogieIcfgContainer [2023-11-19 07:35:40,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:40,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:40,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:40,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:40,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:38" (1/3) ... [2023-11-19 07:35:40,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23853655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:40, skipping insertion in model container [2023-11-19 07:35:40,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:39" (2/3) ... [2023-11-19 07:35:40,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23853655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:40, skipping insertion in model container [2023-11-19 07:35:40,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:40" (3/3) ... [2023-11-19 07:35:40,038 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-77.i [2023-11-19 07:35:40,060 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:40,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:35:40,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:40,130 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;@2b6a747a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:40,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:35:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:35:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 07:35:40,155 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:40,157 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:40,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:40,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:40,169 INFO L85 PathProgramCache]: Analyzing trace with hash 875431694, now seen corresponding path program 1 times [2023-11-19 07:35:40,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:40,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187601303] [2023-11-19 07:35:40,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:40,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:35:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:35:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:35:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:35:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:35:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:35:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:35:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:35:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:35:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-19 07:35:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:35:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:35:40,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-19 07:35:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:35:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:35:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 07:35:40,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:40,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187601303] [2023-11-19 07:35:40,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187601303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:40,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:40,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:35:40,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582542329] [2023-11-19 07:35:40,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:40,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:35:40,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:40,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:35:40,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:35:40,870 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:35:40,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:40,919 INFO L93 Difference]: Finished difference Result 91 states and 149 transitions. [2023-11-19 07:35:40,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:35:40,922 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2023-11-19 07:35:40,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:40,934 INFO L225 Difference]: With dead ends: 91 [2023-11-19 07:35:40,934 INFO L226 Difference]: Without dead ends: 45 [2023-11-19 07:35:40,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 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 07:35:40,945 INFO L413 NwaCegarLoop]: 63 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, 63 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 07:35:40,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-19 07:35:41,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-19 07:35:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:35:41,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2023-11-19 07:35:41,024 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 98 [2023-11-19 07:35:41,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:41,026 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2023-11-19 07:35:41,027 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, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:35:41,027 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-11-19 07:35:41,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 07:35:41,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:41,036 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:41,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:35:41,038 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:41,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:41,039 INFO L85 PathProgramCache]: Analyzing trace with hash 91246868, now seen corresponding path program 1 times [2023-11-19 07:35:41,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:41,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340125211] [2023-11-19 07:35:41,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:41,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:41,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:41,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:41,487 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:35:41,489 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:35:41,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:35:41,496 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:35:41,500 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:35:41,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:35:41 BoogieIcfgContainer [2023-11-19 07:35:41,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:35:41,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:35:41,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:35:41,641 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:35:41,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:40" (3/4) ... [2023-11-19 07:35:41,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:35:41,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:35:41,647 INFO L158 Benchmark]: Toolchain (without parser) took 2812.18ms. Allocated memory is still 167.8MB. Free memory was 136.9MB in the beginning and 134.1MB in the end (delta: 2.8MB). Peak memory consumption was 965.0kB. Max. memory is 16.1GB. [2023-11-19 07:35:41,648 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:41,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.73ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 129.5MB in the end (delta: 7.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-19 07:35:41,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.35ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 126.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:41,656 INFO L158 Benchmark]: Boogie Preprocessor took 52.18ms. Allocated memory is still 167.8MB. Free memory was 126.6MB in the beginning and 125.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:35:41,656 INFO L158 Benchmark]: RCFGBuilder took 624.11ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 126.2MB in the end (delta: -1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 07:35:41,657 INFO L158 Benchmark]: TraceAbstraction took 1609.69ms. Allocated memory is still 167.8MB. Free memory was 125.4MB in the beginning and 135.0MB in the end (delta: -9.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-19 07:35:41,657 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 167.8MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:35:41,665 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.73ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 129.5MB in the end (delta: 7.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.35ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 126.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.18ms. Allocated memory is still 167.8MB. Free memory was 126.6MB in the beginning and 125.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.11ms. Allocated memory is still 167.8MB. Free memory was 124.5MB in the beginning and 126.2MB in the end (delta: -1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1609.69ms. Allocated memory is still 167.8MB. Free memory was 125.4MB in the beginning and 135.0MB in the end (delta: -9.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 167.8MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someUnaryFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 50; [L23] unsigned short int var_1_4 = 60871; [L24] unsigned short int var_1_5 = 1; [L25] unsigned short int var_1_6 = 28896; [L26] unsigned short int var_1_7 = 5; [L27] float var_1_8 = 63.8; [L28] float var_1_9 = 49.5; [L29] float var_1_10 = 31.875; [L30] float var_1_11 = 255.25; [L31] unsigned short int var_1_12 = 0; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] float var_1_16 = 0.8; [L35] unsigned short int var_1_17 = 64; VAL [isInitial=0, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=60871, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_4 = __VERIFIER_nondet_ushort() [L61] CALL assume_abort_if_not(var_1_4 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L61] RET assume_abort_if_not(var_1_4 >= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L62] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L62] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=1, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L63] var_1_5 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L64] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L65] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L65] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=28896, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L66] var_1_6 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_6 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L67] RET assume_abort_if_not(var_1_6 >= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L68] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=5, var_1_8=319/5, var_1_9=99/2] [L69] var_1_7 = __VERIFIER_nondet_ushort() [L70] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=99/2] [L70] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=99/2] [L71] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=99/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=99/2] [L71] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=99/2] [L72] var_1_9 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L73] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=255/8, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L74] var_1_10 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=81928, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=81928, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L75] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=81928, var_1_11=1021/4, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L76] var_1_11 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L77] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L80] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L80] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=1, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L81] var_1_14 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L82] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L83] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L83] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=319/5, var_1_9=81927] [L96] RET updateVariables() [L97] CALL step() [L39] COND TRUE var_1_7 > var_1_5 [L40] var_1_8 = ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) VAL [isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=4/5, var_1_17=64, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=81927, var_1_9=81927] [L44] var_1_16 = var_1_11 [L45] var_1_17 = var_1_5 VAL [isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=81926, var_1_17=16382, var_1_1=50, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=81927, var_1_9=81927] [L46] COND TRUE var_1_8 != var_1_16 [L47] var_1_1 = (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))) VAL [isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=81926, var_1_17=16382, var_1_1=32765, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=81927, var_1_9=81927] [L49] unsigned char stepLocal_1 = var_1_13; [L50] signed long int stepLocal_0 = (((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)); VAL [isInitial=1, stepLocal_0=16382, stepLocal_1=1, var_1_10=81928, var_1_11=81926, var_1_12=0, var_1_13=1, var_1_14=0, var_1_16=81926, var_1_17=16382, var_1_1=32765, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=81927, var_1_9=81927] [L51] COND FALSE !(stepLocal_1 && var_1_14) [L56] var_1_12 = 64 VAL [isInitial=1, stepLocal_0=16382, stepLocal_1=1, var_1_10=81928, var_1_11=81926, var_1_12=64, var_1_13=1, var_1_14=0, var_1_16=81926, var_1_17=16382, var_1_1=32765, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=81927, var_1_9=81927] [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return (((((var_1_8 != var_1_16) ? (var_1_1 == ((unsigned short int) (var_1_4 - ((((var_1_5) < ((var_1_6 - var_1_7))) ? (var_1_5) : ((var_1_6 - var_1_7))))))) : 1) && ((var_1_7 > var_1_5) ? (var_1_8 == ((float) ((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))))) : (var_1_8 == ((float) (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - 1.6f))))) && ((var_1_13 && var_1_14) ? ((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6))) < ((((32) > ((var_1_1 - var_1_7))) ? (32) : ((var_1_1 - var_1_7))))) ? (var_1_12 == ((unsigned short int) (var_1_7 + 5))) : 1) : (var_1_12 == ((unsigned short int) 64)))) && (var_1_16 == ((float) var_1_11))) && (var_1_17 == ((unsigned short int) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=64, var_1_13=1, var_1_14=0, var_1_16=81926, var_1_17=16382, var_1_1=32765, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=81927, var_1_9=81927] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=64, var_1_13=1, var_1_14=0, var_1_16=81926, var_1_17=16382, var_1_1=32765, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=81927, var_1_9=81927] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=81928, var_1_11=81926, var_1_12=64, var_1_13=1, var_1_14=0, var_1_16=81926, var_1_17=16382, var_1_1=32765, var_1_4=32767, var_1_5=16382, var_1_6=16385, var_1_7=16383, var_1_8=81927, var_1_9=81927] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 63 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 97 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 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 07:35:41,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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 fc4e5353efb7eec98f5e9fb88faecc83b8efbbe0c5abc72bcda38d24162cd765 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:44,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:44,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:35:44,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:44,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:44,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:44,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:44,760 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:44,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:44,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:44,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:44,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:44,764 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:44,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:44,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:44,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:44,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:44,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:44,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:44,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:44,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:44,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:35:44,772 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:35:44,772 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:35:44,773 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:44,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:44,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:44,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:44,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:44,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:44,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:44,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:44,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:44,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:44,779 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:35:44,779 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:35:44,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:44,780 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:44,781 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:44,781 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:44,781 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:35:44,785 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:44,785 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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc4e5353efb7eec98f5e9fb88faecc83b8efbbe0c5abc72bcda38d24162cd765 [2023-11-19 07:35:45,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:45,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:45,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:45,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:45,327 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:45,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i [2023-11-19 07:35:48,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:49,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:49,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i [2023-11-19 07:35:49,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/data/cc385bd3b/219595d27c6d43a5963f21e09f877b02/FLAG1d162d6e1 [2023-11-19 07:35:49,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/data/cc385bd3b/219595d27c6d43a5963f21e09f877b02 [2023-11-19 07:35:49,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:49,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:49,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:49,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:49,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:49,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58121fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49, skipping insertion in model container [2023-11-19 07:35:49,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:49,533 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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i[915,928] [2023-11-19 07:35:49,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:49,615 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:49,630 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_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-77.i[915,928] [2023-11-19 07:35:49,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:49,709 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:49,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49 WrapperNode [2023-11-19 07:35:49,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:49,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:49,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:49,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:49,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,803 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 103 [2023-11-19 07:35:49,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:49,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:49,807 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:49,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:49,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,882 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:49,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:49,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:49,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:49,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (1/1) ... [2023-11-19 07:35:49,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:49,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:49,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:49,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:35:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:35:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:35:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:50,174 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:50,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:50,787 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:50,803 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:50,803 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:35:50,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:50 BoogieIcfgContainer [2023-11-19 07:35:50,810 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:50,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:50,814 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:50,818 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:50,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:49" (1/3) ... [2023-11-19 07:35:50,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52566acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:50, skipping insertion in model container [2023-11-19 07:35:50,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:49" (2/3) ... [2023-11-19 07:35:50,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52566acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:50, skipping insertion in model container [2023-11-19 07:35:50,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:50" (3/3) ... [2023-11-19 07:35:50,824 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-77.i [2023-11-19 07:35:50,848 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:50,848 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:35:50,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:50,934 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;@4188a30a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:50,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:35:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:35:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 07:35:50,962 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:50,964 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:50,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:50,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:50,976 INFO L85 PathProgramCache]: Analyzing trace with hash 875431694, now seen corresponding path program 1 times [2023-11-19 07:35:50,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:50,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692251985] [2023-11-19 07:35:50,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:50,999 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 07:35:51,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:51,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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 07:35:51,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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 07:35:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:51,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:35:51,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2023-11-19 07:35:51,481 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:35:51,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:35:51,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692251985] [2023-11-19 07:35:51,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692251985] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:51,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:51,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:35:51,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10345736] [2023-11-19 07:35:51,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:51,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:35:51,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:35:51,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:35:51,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:35:51,557 INFO L87 Difference]: Start difference. First operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:35:51,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:51,617 INFO L93 Difference]: Finished difference Result 91 states and 149 transitions. [2023-11-19 07:35:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:35:51,621 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2023-11-19 07:35:51,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:51,634 INFO L225 Difference]: With dead ends: 91 [2023-11-19 07:35:51,634 INFO L226 Difference]: Without dead ends: 45 [2023-11-19 07:35:51,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 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 07:35:51,647 INFO L413 NwaCegarLoop]: 63 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, 63 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 07:35:51,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:35:51,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-11-19 07:35:51,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-19 07:35:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:35:51,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2023-11-19 07:35:51,725 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 98 [2023-11-19 07:35:51,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:51,726 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2023-11-19 07:35:51,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:35:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-11-19 07:35:51,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 07:35:51,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:51,738 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:51,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:51,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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 07:35:51,947 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:51,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:51,949 INFO L85 PathProgramCache]: Analyzing trace with hash 91246868, now seen corresponding path program 1 times [2023-11-19 07:35:51,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:35:51,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1505746673] [2023-11-19 07:35:51,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:51,954 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 07:35:51,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:35:51,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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 07:35:52,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b1dd8b-fea5-46c8-a9a3-46e5031100e3/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 07:35:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:52,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 07:35:52,371 INFO L285 TraceCheckSpWp]: Computing forward predicates...