./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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_681a7ef0-8f6f-4658-83f8-823570c8c250/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 9eaaae0cf3e71d4340efba7db39961ec1bda8a61f7ee6fd06bc6d6e04fc81770 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:45:58,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:45:58,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:45:58,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:45:58,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:45:58,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:45:58,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:45:58,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:45:58,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:45:58,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:45:58,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:45:58,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:45:58,810 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:45:58,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:45:58,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:45:58,813 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:45:58,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:45:58,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:45:58,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:45:58,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:45:58,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:45:58,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:45:58,817 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:45:58,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:45:58,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:45:58,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:45:58,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:45:58,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:45:58,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:58,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:45:58,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:45:58,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:45:58,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:45:58,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:45:58,824 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:45:58,824 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:45:58,824 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:45:58,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:45:58,825 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:45:58,825 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_681a7ef0-8f6f-4658-83f8-823570c8c250/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eaaae0cf3e71d4340efba7db39961ec1bda8a61f7ee6fd06bc6d6e04fc81770 [2023-11-19 07:45:59,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:45:59,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:45:59,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:45:59,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:45:59,237 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:45:59,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i [2023-11-19 07:46:02,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:02,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:02,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i [2023-11-19 07:46:02,566 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/data/ced91d326/c119b7f6ae58477bbea16b2d33208807/FLAG38d7b1eb5 [2023-11-19 07:46:02,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/data/ced91d326/c119b7f6ae58477bbea16b2d33208807 [2023-11-19 07:46:02,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:02,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:02,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:02,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:02,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:02,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:02,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4b552e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02, skipping insertion in model container [2023-11-19 07:46:02,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:02,633 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:02,825 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_681a7ef0-8f6f-4658-83f8-823570c8c250/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i[915,928] [2023-11-19 07:46:02,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:02,899 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:02,912 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_681a7ef0-8f6f-4658-83f8-823570c8c250/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i[915,928] [2023-11-19 07:46:02,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:02,955 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:02,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02 WrapperNode [2023-11-19 07:46:02,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:02,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:02,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:02,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:02,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:02,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,006 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-19 07:46:03,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:03,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:03,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:03,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:03,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,019 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:03,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:03,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:03,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:03,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (1/1) ... [2023-11-19 07:46:03,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:03,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:03,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:03,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:46:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:46:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:46:03,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:03,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:03,196 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:03,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:03,511 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:03,527 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:03,528 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:46:03,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:03 BoogieIcfgContainer [2023-11-19 07:46:03,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:03,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:03,535 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:03,538 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:03,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:02" (1/3) ... [2023-11-19 07:46:03,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724defd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:03, skipping insertion in model container [2023-11-19 07:46:03,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:02" (2/3) ... [2023-11-19 07:46:03,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724defd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:03, skipping insertion in model container [2023-11-19 07:46:03,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:03" (3/3) ... [2023-11-19 07:46:03,542 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-30.i [2023-11-19 07:46:03,559 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:03,559 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:03,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:03,623 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;@86e4acb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:03,624 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:46:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 07:46:03,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:03,639 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:03,639 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:03,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:03,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1901403528, now seen corresponding path program 1 times [2023-11-19 07:46:03,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:03,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114867707] [2023-11-19 07:46:03,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:03,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:46:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:46:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:46:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:46:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:46:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:46:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:46:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:46:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:46:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:46:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 07:46:04,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:04,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114867707] [2023-11-19 07:46:04,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114867707] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:04,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:04,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:04,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104116478] [2023-11-19 07:46:04,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:04,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:46:04,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:04,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:46:04,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:04,080 INFO L87 Difference]: Start difference. First operand has 59 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:46:04,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:04,109 INFO L93 Difference]: Finished difference Result 115 states and 185 transitions. [2023-11-19 07:46:04,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:46:04,112 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2023-11-19 07:46:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:04,121 INFO L225 Difference]: With dead ends: 115 [2023-11-19 07:46:04,121 INFO L226 Difference]: Without dead ends: 55 [2023-11-19 07:46:04,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 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 07:46:04,132 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:04,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:04,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-19 07:46:04,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-19 07:46:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 43 states have (on average 1.441860465116279) internal successors, (62), 43 states have internal predecessors, (62), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:46:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 82 transitions. [2023-11-19 07:46:04,208 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 82 transitions. Word has length 78 [2023-11-19 07:46:04,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:04,210 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 82 transitions. [2023-11-19 07:46:04,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:46:04,210 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2023-11-19 07:46:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 07:46:04,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:04,221 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:04,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:46:04,222 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:04,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:04,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1302427600, now seen corresponding path program 1 times [2023-11-19 07:46:04,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:04,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730759610] [2023-11-19 07:46:04,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:04,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:46:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:46:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:46:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:46:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:46:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:04,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:46:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:46:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:46:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:46:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:46:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 07:46:05,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:05,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730759610] [2023-11-19 07:46:05,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730759610] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:05,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:05,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:46:05,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104248010] [2023-11-19 07:46:05,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:05,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:05,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:05,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:05,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:05,078 INFO L87 Difference]: Start difference. First operand 55 states and 82 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-19 07:46:05,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:05,226 INFO L93 Difference]: Finished difference Result 185 states and 281 transitions. [2023-11-19 07:46:05,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:05,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78 [2023-11-19 07:46:05,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:05,230 INFO L225 Difference]: With dead ends: 185 [2023-11-19 07:46:05,231 INFO L226 Difference]: Without dead ends: 133 [2023-11-19 07:46:05,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:46:05,234 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 106 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:05,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 259 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:46:05,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-19 07:46:05,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 105. [2023-11-19 07:46:05,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 82 states have internal predecessors, (117), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:46:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 157 transitions. [2023-11-19 07:46:05,259 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 157 transitions. Word has length 78 [2023-11-19 07:46:05,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:05,260 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 157 transitions. [2023-11-19 07:46:05,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-19 07:46:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2023-11-19 07:46:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 07:46:05,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:05,263 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:05,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:46:05,264 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:05,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1089614044, now seen corresponding path program 1 times [2023-11-19 07:46:05,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:05,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958329166] [2023-11-19 07:46:05,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:05,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:46:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:46:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:46:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:46:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:46:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:46:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:46:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:46:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:46:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:46:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 07:46:05,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:05,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958329166] [2023-11-19 07:46:05,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958329166] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:46:05,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472018076] [2023-11-19 07:46:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:05,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:05,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:05,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:46:05,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:46:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:05,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:46:05,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:06,480 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 07:46:06,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 07:46:06,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472018076] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:06,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:46:06,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 13 [2023-11-19 07:46:06,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290975891] [2023-11-19 07:46:06,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:06,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-19 07:46:06,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:06,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-19 07:46:06,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2023-11-19 07:46:06,711 INFO L87 Difference]: Start difference. First operand 105 states and 157 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:46:07,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:07,195 INFO L93 Difference]: Finished difference Result 202 states and 292 transitions. [2023-11-19 07:46:07,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 07:46:07,197 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 79 [2023-11-19 07:46:07,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:07,205 INFO L225 Difference]: With dead ends: 202 [2023-11-19 07:46:07,205 INFO L226 Difference]: Without dead ends: 150 [2023-11-19 07:46:07,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 171 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2023-11-19 07:46:07,213 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 223 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:07,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 331 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:46:07,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-11-19 07:46:07,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 121. [2023-11-19 07:46:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 94 states have (on average 1.351063829787234) internal successors, (127), 94 states have internal predecessors, (127), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:46:07,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 167 transitions. [2023-11-19 07:46:07,266 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 167 transitions. Word has length 79 [2023-11-19 07:46:07,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:07,268 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 167 transitions. [2023-11-19 07:46:07,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:46:07,268 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 167 transitions. [2023-11-19 07:46:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:46:07,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:07,276 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:07,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:07,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:46:07,498 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:07,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:07,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1108406390, now seen corresponding path program 1 times [2023-11-19 07:46:07,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:07,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396875392] [2023-11-19 07:46:07,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:46:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:46:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:46:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-19 07:46:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:46:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:46:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:46:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:46:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:46:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:46:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 07:46:07,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:46:07,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396875392] [2023-11-19 07:46:07,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396875392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:07,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:07,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:07,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111538448] [2023-11-19 07:46:07,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:07,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:46:07,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:46:07,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:07,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:07,663 INFO L87 Difference]: Start difference. First operand 121 states and 167 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-19 07:46:07,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:07,720 INFO L93 Difference]: Finished difference Result 239 states and 331 transitions. [2023-11-19 07:46:07,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:07,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 80 [2023-11-19 07:46:07,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:07,727 INFO L225 Difference]: With dead ends: 239 [2023-11-19 07:46:07,727 INFO L226 Difference]: Without dead ends: 121 [2023-11-19 07:46:07,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:07,737 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 20 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:07,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 115 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:07,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-19 07:46:07,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-11-19 07:46:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 94 states have internal predecessors, (125), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:46:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 165 transitions. [2023-11-19 07:46:07,780 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 165 transitions. Word has length 80 [2023-11-19 07:46:07,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:07,782 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 165 transitions. [2023-11-19 07:46:07,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-19 07:46:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 165 transitions. [2023-11-19 07:46:07,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 07:46:07,786 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:07,786 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:07,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:46:07,787 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:07,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:07,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1878268529, now seen corresponding path program 1 times [2023-11-19 07:46:07,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:46:07,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67181412] [2023-11-19 07:46:07,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:07,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:46:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:07,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:46:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:46:07,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:46:07,949 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:46:07,950 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:46:07,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:46:07,956 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:46:07,960 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:46:08,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-19 07:46:08,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-19 07:46:08,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:46:08 BoogieIcfgContainer [2023-11-19 07:46:08,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:46:08,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:46:08,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:46:08,042 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:46:08,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:03" (3/4) ... [2023-11-19 07:46:08,044 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:46:08,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:46:08,046 INFO L158 Benchmark]: Toolchain (without parser) took 5460.95ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 137.8MB in the beginning and 99.5MB in the end (delta: 38.4MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2023-11-19 07:46:08,046 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 121.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:08,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.20ms. Allocated memory is still 169.9MB. Free memory was 137.8MB in the beginning and 130.2MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:46:08,047 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.31ms. Allocated memory is still 169.9MB. Free memory was 130.2MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:46:08,047 INFO L158 Benchmark]: Boogie Preprocessor took 30.64ms. Allocated memory is still 169.9MB. Free memory was 127.8MB in the beginning and 126.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:46:08,048 INFO L158 Benchmark]: RCFGBuilder took 493.08ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 109.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:46:08,048 INFO L158 Benchmark]: TraceAbstraction took 4506.22ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 108.0MB in the beginning and 99.5MB in the end (delta: 8.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-11-19 07:46:08,048 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 211.8MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:08,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 121.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.20ms. Allocated memory is still 169.9MB. Free memory was 137.8MB in the beginning and 130.2MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.31ms. Allocated memory is still 169.9MB. Free memory was 130.2MB in the beginning and 128.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.64ms. Allocated memory is still 169.9MB. Free memory was 127.8MB in the beginning and 126.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.08ms. Allocated memory is still 169.9MB. Free memory was 126.0MB in the beginning and 109.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4506.22ms. Allocated memory was 169.9MB in the beginning and 211.8MB in the end (delta: 41.9MB). Free memory was 108.0MB in the beginning and 99.5MB in the end (delta: 8.6MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 211.8MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryArithmeticDOUBLEoperation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] double var_1_5 = 127.5; [L25] double var_1_7 = 10000000000000.125; [L26] double var_1_8 = 1.25; [L27] double var_1_10 = 25.7; [L28] signed long int var_1_11 = -2; [L29] signed long int var_1_13 = 5; [L30] signed long int var_1_14 = 128; [L31] signed long int var_1_15 = 1000; [L32] double var_1_16 = 0.2; [L33] double var_1_17 = 0.25; [L34] double var_1_18 = 99999999999999.5; [L35] unsigned char last_1_var_1_1 = 1; [L36] signed long int last_1_var_1_11 = -2; [L37] signed long int last_1_var_1_15 = 1000; [L38] double last_1_var_1_16 = 0.2; VAL [isInitial=0, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=0, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L124] isInitial = 1 [L125] FCALL initially() [L126] int k_loop; [L127] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=0, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L127] COND TRUE k_loop < 1 [L128] CALL updateLastVariables() [L114] last_1_var_1_1 = var_1_1 [L115] last_1_var_1_11 = var_1_11 [L116] last_1_var_1_15 = var_1_15 [L117] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=0, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L128] RET updateLastVariables() [L129] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L96] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L97] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L97] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L98] var_1_7 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L99] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L100] var_1_10 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L101] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L102] var_1_13 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L103] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L104] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L104] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L105] var_1_14 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L106] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L107] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L107] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L108] var_1_17 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L109] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=199999999999999/2, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L110] var_1_18 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L111] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L129] RET updateVariables() [L130] CALL step() [L42] COND TRUE \read(last_1_var_1_1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=-2, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L43] COND TRUE ((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16 [L44] var_1_11 = ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L49] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L50] COND TRUE (last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= stepLocal_0 [L51] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L53] signed long int stepLocal_2 = var_1_11; [L54] unsigned char stepLocal_1 = var_1_1; VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L55] COND TRUE \read(var_1_1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L56] COND TRUE var_1_11 >= stepLocal_2 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=255/2, var_1_7=100000000000006, var_1_8=5/4] [L57] COND TRUE stepLocal_1 || (var_1_11 < var_1_11) [L58] var_1_5 = var_1_7 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4] [L64] EXPR var_1_11 & var_1_13 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=1000, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4] [L64] COND FALSE !((- var_1_11) > (var_1_11 & var_1_13)) [L75] var_1_15 = var_1_13 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=5, var_1_16=1/5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4] [L77] COND TRUE ((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7 [L78] var_1_16 = (var_1_17 + (var_1_18 + 16.75)) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4] [L82] COND FALSE !(10.55f < var_1_16) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=5/4] [L87] COND TRUE var_1_16 > var_1_7 [L88] var_1_8 = var_1_10 VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, stepLocal_0=-2, stepLocal_1=1, stepLocal_2=0, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=100000000000007] [L130] RET step() [L131] CALL, EXPR property() [L120] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=100000000000007] [L120-L121] return (((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=100000000000007] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=100000000000007, var_1_11=0, var_1_13=5, var_1_14=-1, var_1_15=5, var_1_17=100000000000005, var_1_18=100000000000004, var_1_1=1, var_1_4=1, var_1_5=100000000000006, var_1_7=100000000000006, var_1_8=100000000000007] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 350 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 791 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 455 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 336 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 248 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=3, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 57 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 475 NumberOfCodeBlocks, 475 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 467 ConstructedInterpolants, 0 QuantifiedInterpolants, 1727 SizeOfPredicates, 5 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 978/1080 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 07:46:08,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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_681a7ef0-8f6f-4658-83f8-823570c8c250/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 9eaaae0cf3e71d4340efba7db39961ec1bda8a61f7ee6fd06bc6d6e04fc81770 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:10,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:10,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:46:10,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:10,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:10,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:10,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:10,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:10,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:10,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:10,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:10,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:10,832 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:10,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:10,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:46:10,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:10,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:10,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:10,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:46:10,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:10,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:46:10,838 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:46:10,839 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:46:10,839 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:46:10,840 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:10,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:46:10,841 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:10,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:10,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:10,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:10,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:10,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:10,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:10,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:46:10,845 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:46:10,845 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:46:10,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:10,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:46:10,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:10,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:10,847 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:46:10,847 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:10,848 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_681a7ef0-8f6f-4658-83f8-823570c8c250/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9eaaae0cf3e71d4340efba7db39961ec1bda8a61f7ee6fd06bc6d6e04fc81770 [2023-11-19 07:46:11,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:11,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:11,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:11,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:11,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:11,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i [2023-11-19 07:46:14,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:14,624 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:14,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i [2023-11-19 07:46:14,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/data/13ac94ca0/6b3c18fac3db476a8e88ccc36bcfa2d8/FLAGeb733572d [2023-11-19 07:46:14,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/data/13ac94ca0/6b3c18fac3db476a8e88ccc36bcfa2d8 [2023-11-19 07:46:14,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:14,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:14,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:14,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:14,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:14,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:14" (1/1) ... [2023-11-19 07:46:14,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ebece7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:14, skipping insertion in model container [2023-11-19 07:46:14,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:14" (1/1) ... [2023-11-19 07:46:14,712 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:14,881 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_681a7ef0-8f6f-4658-83f8-823570c8c250/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i[915,928] [2023-11-19 07:46:14,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:14,950 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:14,964 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_681a7ef0-8f6f-4658-83f8-823570c8c250/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-30.i[915,928] [2023-11-19 07:46:14,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:15,013 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:15,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15 WrapperNode [2023-11-19 07:46:15,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:15,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:15,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:15,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:15,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,070 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-11-19 07:46:15,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:15,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:15,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:15,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:15,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:15,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:15,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:15,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:15,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (1/1) ... [2023-11-19 07:46:15,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:15,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:15,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:15,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:46:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:46:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:46:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:15,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:15,372 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:15,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:46:22,509 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:46:22,518 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:46:22,518 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:46:22,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:22 BoogieIcfgContainer [2023-11-19 07:46:22,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:46:22,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:46:22,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:46:22,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:46:22,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:14" (1/3) ... [2023-11-19 07:46:22,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b79141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:22, skipping insertion in model container [2023-11-19 07:46:22,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:15" (2/3) ... [2023-11-19 07:46:22,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b79141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:46:22, skipping insertion in model container [2023-11-19 07:46:22,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:46:22" (3/3) ... [2023-11-19 07:46:22,532 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-30.i [2023-11-19 07:46:22,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:46:22,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:46:22,604 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:46:22,611 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;@2120a008, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:46:22,611 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:46:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 40 states have internal predecessors, (57), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:46:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 07:46:22,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:22,629 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:22,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:22,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 852244992, now seen corresponding path program 1 times [2023-11-19 07:46:22,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:22,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377132937] [2023-11-19 07:46:22,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:22,651 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 07:46:22,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:22,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:22,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:23,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:46:23,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-19 07:46:23,454 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:23,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:46:23,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377132937] [2023-11-19 07:46:23,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [377132937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:23,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:23,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:46:23,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194811723] [2023-11-19 07:46:23,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:23,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:46:23,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:46:23,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:46:23,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:46:23,500 INFO L87 Difference]: Start difference. First operand has 52 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 40 states have internal predecessors, (57), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:46:23,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:23,548 INFO L93 Difference]: Finished difference Result 101 states and 161 transitions. [2023-11-19 07:46:23,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:46:23,550 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 75 [2023-11-19 07:46:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:23,559 INFO L225 Difference]: With dead ends: 101 [2023-11-19 07:46:23,559 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:46:23,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 07:46:23,567 INFO L413 NwaCegarLoop]: 74 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, 74 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 07:46:23,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:46:23,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:46:23,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:46:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:46:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 70 transitions. [2023-11-19 07:46:23,615 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 70 transitions. Word has length 75 [2023-11-19 07:46:23,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:23,615 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 70 transitions. [2023-11-19 07:46:23,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 07:46:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 70 transitions. [2023-11-19 07:46:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 07:46:23,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:23,621 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:23,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:23,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:23,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:23,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:23,836 INFO L85 PathProgramCache]: Analyzing trace with hash 186199880, now seen corresponding path program 1 times [2023-11-19 07:46:23,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:23,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747082715] [2023-11-19 07:46:23,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:23,838 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 07:46:23,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:23,868 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:23,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:24,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:46:24,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:25,118 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 07:46:25,118 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:25,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:46:25,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747082715] [2023-11-19 07:46:25,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [747082715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:25,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:25,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:25,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077892186] [2023-11-19 07:46:25,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:25,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:46:25,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:46:25,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:46:25,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:46:25,124 INFO L87 Difference]: Start difference. First operand 48 states and 70 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-19 07:46:27,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:29,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:31,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:34,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:35,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:35,342 INFO L93 Difference]: Finished difference Result 157 states and 233 transitions. [2023-11-19 07:46:35,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:46:35,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 75 [2023-11-19 07:46:35,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:35,390 INFO L225 Difference]: With dead ends: 157 [2023-11-19 07:46:35,390 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 07:46:35,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:46:35,393 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 79 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 23 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:35,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 212 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 16 Invalid, 4 Unknown, 0 Unchecked, 10.2s Time] [2023-11-19 07:46:35,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 07:46:35,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 91. [2023-11-19 07:46:35,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 68 states have internal predecessors, (93), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:46:35,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2023-11-19 07:46:35,423 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 75 [2023-11-19 07:46:35,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:35,423 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2023-11-19 07:46:35,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-19 07:46:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2023-11-19 07:46:35,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 07:46:35,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:35,426 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:35,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:35,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:35,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:35,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:35,628 INFO L85 PathProgramCache]: Analyzing trace with hash -797014972, now seen corresponding path program 1 times [2023-11-19 07:46:35,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:35,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117691564] [2023-11-19 07:46:35,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:35,629 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 07:46:35,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:35,630 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:35,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 07:46:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:36,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:46:36,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 20 proven. 48 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 07:46:37,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:46:38,438 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 07:46:38,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:46:38,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117691564] [2023-11-19 07:46:38,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117691564] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:46:38,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:46:38,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2023-11-19 07:46:38,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040671853] [2023-11-19 07:46:38,439 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:46:38,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:46:38,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:46:38,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:46:38,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:46:38,442 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:46:42,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:44,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:46,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:48,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:50,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:52,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:52,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:52,291 INFO L93 Difference]: Finished difference Result 154 states and 214 transitions. [2023-11-19 07:46:52,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:46:52,293 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) Word has length 76 [2023-11-19 07:46:52,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:52,295 INFO L225 Difference]: With dead ends: 154 [2023-11-19 07:46:52,295 INFO L226 Difference]: Without dead ends: 109 [2023-11-19 07:46:52,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:46:52,298 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 81 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 20 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:52,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 146 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 89 Invalid, 6 Unknown, 0 Unchecked, 13.4s Time] [2023-11-19 07:46:52,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-19 07:46:52,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107. [2023-11-19 07:46:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 80 states have (on average 1.2875) internal successors, (103), 80 states have internal predecessors, (103), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:46:52,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 143 transitions. [2023-11-19 07:46:52,322 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 143 transitions. Word has length 76 [2023-11-19 07:46:52,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:52,323 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 143 transitions. [2023-11-19 07:46:52,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 3 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (20), 2 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-19 07:46:52,323 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2023-11-19 07:46:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 07:46:52,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:52,325 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:52,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:46:52,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:52,539 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:52,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:52,540 INFO L85 PathProgramCache]: Analyzing trace with hash -687994174, now seen corresponding path program 1 times [2023-11-19 07:46:52,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:52,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961138520] [2023-11-19 07:46:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:52,541 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 07:46:52,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:52,543 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:52,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 (5)] Waiting until timeout for monitored process [2023-11-19 07:46:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:53,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:46:53,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:46:53,143 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 07:46:53,143 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:46:53,144 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:46:53,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961138520] [2023-11-19 07:46:53,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961138520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:46:53,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:46:53,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:46:53,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986047113] [2023-11-19 07:46:53,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:46:53,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:46:53,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:46:53,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:46:53,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:53,148 INFO L87 Difference]: Start difference. First operand 107 states and 143 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-19 07:46:55,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:57,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:46:57,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:46:57,660 INFO L93 Difference]: Finished difference Result 211 states and 283 transitions. [2023-11-19 07:46:57,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:46:57,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 77 [2023-11-19 07:46:57,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:46:57,663 INFO L225 Difference]: With dead ends: 211 [2023-11-19 07:46:57,663 INFO L226 Difference]: Without dead ends: 107 [2023-11-19 07:46:57,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:46:57,666 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 16 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:46:57,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 102 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2023-11-19 07:46:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-19 07:46:57,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2023-11-19 07:46:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 80 states have (on average 1.2625) internal successors, (101), 80 states have internal predecessors, (101), 20 states have call successors, (20), 6 states have call predecessors, (20), 6 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:46:57,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 141 transitions. [2023-11-19 07:46:57,687 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 141 transitions. Word has length 77 [2023-11-19 07:46:57,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:46:57,688 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 141 transitions. [2023-11-19 07:46:57,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-19 07:46:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 141 transitions. [2023-11-19 07:46:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 07:46:57,690 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:46:57,691 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:46:57,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 (5)] Ended with exit code 0 [2023-11-19 07:46:57,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:57,904 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:46:57,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:46:57,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1959907257, now seen corresponding path program 1 times [2023-11-19 07:46:57,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:46:57,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711562974] [2023-11-19 07:46:57,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:46:57,906 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 07:46:57,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:46:57,908 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 07:46:57,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_681a7ef0-8f6f-4658-83f8-823570c8c250/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 (6)] Waiting until timeout for monitored process [2023-11-19 07:46:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:46:58,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 07:46:58,463 INFO L285 TraceCheckSpWp]: Computing forward predicates...