./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-58.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-58.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 5625323953cc68087ec2a73dda4b34b66a80b2cd98f40b631bbae219b4a084d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:41:08,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:41:08,118 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:41:08,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:41:08,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:41:08,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:41:08,180 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:41:08,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:41:08,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:41:08,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:41:08,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:41:08,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:41:08,185 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:41:08,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:41:08,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:41:08,187 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:41:08,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:41:08,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:41:08,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:41:08,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:41:08,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:41:08,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:41:08,192 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:41:08,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:41:08,193 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:41:08,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:41:08,194 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:41:08,194 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:41:08,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:08,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:41:08,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:41:08,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:41:08,197 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:41:08,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:41:08,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:41:08,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:41:08,199 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:41:08,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:41:08,200 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:41:08,200 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_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5625323953cc68087ec2a73dda4b34b66a80b2cd98f40b631bbae219b4a084d3 [2023-11-06 22:41:08,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:41:08,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:41:08,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:41:08,600 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:41:08,600 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:41:08,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-58.i [2023-11-06 22:41:11,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:41:12,163 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:41:12,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-58.i [2023-11-06 22:41:12,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/data/2f16d955e/d552b0e9606c4c1094576c972fecb436/FLAG0707bed66 [2023-11-06 22:41:12,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/data/2f16d955e/d552b0e9606c4c1094576c972fecb436 [2023-11-06 22:41:12,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:41:12,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:41:12,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:12,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:41:12,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:41:12,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb3171f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12, skipping insertion in model container [2023-11-06 22:41:12,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:41:12,415 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_80d27ba9-704e-45ba-91a0-dfa618e70564/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-58.i[915,928] [2023-11-06 22:41:12,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:12,513 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:41:12,540 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_80d27ba9-704e-45ba-91a0-dfa618e70564/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-58.i[915,928] [2023-11-06 22:41:12,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:41:12,642 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:41:12,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12 WrapperNode [2023-11-06 22:41:12,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:41:12,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:12,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:41:12,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:41:12,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,761 INFO L138 Inliner]: procedures = 26, calls = 50, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2023-11-06 22:41:12,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:41:12,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:41:12,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:41:12,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:41:12,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:41:12,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:41:12,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:41:12,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:41:12,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (1/1) ... [2023-11-06 22:41:12,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:41:12,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:12,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:41:12,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:41:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:41:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:41:12,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:41:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:41:12,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:41:12,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:41:13,095 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:41:13,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:41:13,578 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:41:13,586 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:41:13,587 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:41:13,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:13 BoogieIcfgContainer [2023-11-06 22:41:13,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:41:13,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:41:13,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:41:13,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:41:13,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:41:12" (1/3) ... [2023-11-06 22:41:13,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b97be90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:13, skipping insertion in model container [2023-11-06 22:41:13,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:41:12" (2/3) ... [2023-11-06 22:41:13,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b97be90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:41:13, skipping insertion in model container [2023-11-06 22:41:13,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:41:13" (3/3) ... [2023-11-06 22:41:13,599 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-58.i [2023-11-06 22:41:13,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:41:13,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:41:13,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:41:13,693 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=LoopsAndPotentialCycles, 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;@64813dbe, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:41:13,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:41:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 58 states have internal predecessors, (79), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-06 22:41:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-06 22:41:13,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:13,731 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:13,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:13,742 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:13,743 INFO L85 PathProgramCache]: Analyzing trace with hash 545676459, now seen corresponding path program 1 times [2023-11-06 22:41:13,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:13,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175130719] [2023-11-06 22:41:13,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:41:14,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175130719] [2023-11-06 22:41:14,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:41:14,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660508376] [2023-11-06 22:41:14,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:14,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:14,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:14,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:14,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:41:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:14,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:41:14,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:41:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 2592 trivial. 0 not checked. [2023-11-06 22:41:14,587 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:41:14,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660508376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:41:14,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:41:14,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:41:14,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96631028] [2023-11-06 22:41:14,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:41:14,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:41:14,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:41:14,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:41:14,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:41:14,644 INFO L87 Difference]: Start difference. First operand has 97 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 58 states have internal predecessors, (79), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-06 22:41:14,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:41:14,693 INFO L93 Difference]: Finished difference Result 187 states and 337 transitions. [2023-11-06 22:41:14,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:41:14,696 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 2 states have call successors, (37) Word has length 228 [2023-11-06 22:41:14,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:41:14,706 INFO L225 Difference]: With dead ends: 187 [2023-11-06 22:41:14,706 INFO L226 Difference]: Without dead ends: 93 [2023-11-06 22:41:14,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:41:14,716 INFO L413 NwaCegarLoop]: 146 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, 146 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 [2023-11-06 22:41:14,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:41:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-11-06 22:41:14,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2023-11-06 22:41:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 54 states have (on average 1.3333333333333333) internal successors, (72), 54 states have internal predecessors, (72), 37 states have call successors, (37), 1 states have call predecessors, (37), 1 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-11-06 22:41:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions. [2023-11-06 22:41:14,802 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 228 [2023-11-06 22:41:14,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:41:14,803 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 146 transitions. [2023-11-06 22:41:14,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (37), 1 states have call predecessors, (37), 2 states have call successors, (37) [2023-11-06 22:41:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2023-11-06 22:41:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-11-06 22:41:14,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:41:14,823 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:41:14,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:41:15,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:41:15,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:41:15,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:41:15,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1804909643, now seen corresponding path program 1 times [2023-11-06 22:41:15,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:41:15,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896225865] [2023-11-06 22:41:15,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:15,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:41:15,230 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:41:15,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1050370749] [2023-11-06 22:41:15,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:41:15,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:41:15,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:41:15,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:41:15,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d27ba9-704e-45ba-91a0-dfa618e70564/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:41:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:41:15,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-06 22:41:15,510 INFO L285 TraceCheckSpWp]: Computing forward predicates...