./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/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_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/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_2cb35cec-2050-43d1-9ee5-e288dd89c52c/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 aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:28:15,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:28:16,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:28:16,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:28:16,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:28:16,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:28:16,096 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:28:16,097 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:28:16,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:28:16,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:28:16,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:28:16,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:28:16,106 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:28:16,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:28:16,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:28:16,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:28:16,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:28:16,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:28:16,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:28:16,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:28:16,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:28:16,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:28:16,113 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:28:16,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:28:16,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:28:16,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:28:16,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:28:16,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:28:16,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:16,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:28:16,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:28:16,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:28:16,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:28:16,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:28:16,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:28:16,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:28:16,120 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:28:16,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:28:16,121 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:28:16,121 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_2cb35cec-2050-43d1-9ee5-e288dd89c52c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 [2023-11-06 22:28:16,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:28:16,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:28:16,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:28:16,489 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:28:16,490 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:28:16,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2023-11-06 22:28:19,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:28:19,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:28:19,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2023-11-06 22:28:19,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/data/5904fe07f/f723e56fdcbd4a8fb86f56042023ac6c/FLAG575a1685e [2023-11-06 22:28:19,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/data/5904fe07f/f723e56fdcbd4a8fb86f56042023ac6c [2023-11-06 22:28:19,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:28:19,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:28:19,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:19,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:28:19,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:28:19,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:19" (1/1) ... [2023-11-06 22:28:19,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f992eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:19, skipping insertion in model container [2023-11-06 22:28:19,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:19" (1/1) ... [2023-11-06 22:28:19,831 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:28:20,011 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_2cb35cec-2050-43d1-9ee5-e288dd89c52c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2023-11-06 22:28:20,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:20,066 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:28:20,079 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_2cb35cec-2050-43d1-9ee5-e288dd89c52c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2023-11-06 22:28:20,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:20,117 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:28:20,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20 WrapperNode [2023-11-06 22:28:20,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:20,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:20,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:28:20,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:28:20,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,167 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-06 22:28:20,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:20,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:28:20,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:28:20,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:28:20,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:28:20,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:28:20,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:28:20,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:28:20,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (1/1) ... [2023-11-06 22:28:20,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:20,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:20,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:20,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:28:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:28:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:28:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:28:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:28:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:28:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:28:20,366 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:28:20,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:28:20,695 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:28:20,702 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:28:20,703 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:28:20,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:20 BoogieIcfgContainer [2023-11-06 22:28:20,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:28:20,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:28:20,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:28:20,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:28:20,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:28:19" (1/3) ... [2023-11-06 22:28:20,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ccb185c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:20, skipping insertion in model container [2023-11-06 22:28:20,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:20" (2/3) ... [2023-11-06 22:28:20,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ccb185c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:20, skipping insertion in model container [2023-11-06 22:28:20,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:20" (3/3) ... [2023-11-06 22:28:20,717 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-12.i [2023-11-06 22:28:20,740 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:28:20,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:28:20,830 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:28:20,839 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;@c243282, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:28:20,840 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:28:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:28:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:28:20,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:20,866 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:20,867 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:20,874 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:20,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1297832078, now seen corresponding path program 1 times [2023-11-06 22:28:20,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:20,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484221144] [2023-11-06 22:28:20,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:20,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:21,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:21,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484221144] [2023-11-06 22:28:21,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:28:21,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954578026] [2023-11-06 22:28:21,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:21,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:21,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:21,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:21,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:28:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:21,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:28:21,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:21,423 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-06 22:28:21,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:28:21,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954578026] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:21,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:21,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:28:21,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382259305] [2023-11-06 22:28:21,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:21,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:28:21,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:21,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:28:21,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:28:21,487 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:28:21,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:21,548 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2023-11-06 22:28:21,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:28:21,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2023-11-06 22:28:21,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:21,562 INFO L225 Difference]: With dead ends: 97 [2023-11-06 22:28:21,563 INFO L226 Difference]: Without dead ends: 48 [2023-11-06 22:28:21,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 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 22:28:21,573 INFO L413 NwaCegarLoop]: 69 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, 69 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 22:28:21,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:28:21,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-06 22:28:21,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-06 22:28:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:28:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2023-11-06 22:28:21,644 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 103 [2023-11-06 22:28:21,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:21,646 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2023-11-06 22:28:21,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:28:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2023-11-06 22:28:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:28:21,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:21,652 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:21,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:21,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:28:21,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:21,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:21,865 INFO L85 PathProgramCache]: Analyzing trace with hash -431060418, now seen corresponding path program 1 times [2023-11-06 22:28:21,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:21,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307920613] [2023-11-06 22:28:21,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:21,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:21,951 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:28:21,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823198219] [2023-11-06 22:28:21,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:21,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:21,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:21,962 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:21,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:28:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:22,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:28:22,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 225 proven. 30 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-11-06 22:28:22,487 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:28:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 22:28:22,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:28:22,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307920613] [2023-11-06 22:28:22,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:28:22,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823198219] [2023-11-06 22:28:22,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823198219] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:28:22,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:28:22,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-06 22:28:22,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740110211] [2023-11-06 22:28:22,729 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:28:22,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:28:22,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:28:22,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:28:22,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:28:22,736 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:28:23,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:23,103 INFO L93 Difference]: Finished difference Result 150 states and 211 transitions. [2023-11-06 22:28:23,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-06 22:28:23,104 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 103 [2023-11-06 22:28:23,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:23,107 INFO L225 Difference]: With dead ends: 150 [2023-11-06 22:28:23,108 INFO L226 Difference]: Without dead ends: 105 [2023-11-06 22:28:23,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 197 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:28:23,110 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 184 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:23,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 143 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:28:23,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-06 22:28:23,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 53. [2023-11-06 22:28:23,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:28:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 73 transitions. [2023-11-06 22:28:23,131 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 73 transitions. Word has length 103 [2023-11-06 22:28:23,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:23,132 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 73 transitions. [2023-11-06 22:28:23,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:28:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-11-06 22:28:23,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:28:23,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:23,135 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:23,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:23,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:23,342 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:23,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:23,343 INFO L85 PathProgramCache]: Analyzing trace with hash -373802116, now seen corresponding path program 1 times [2023-11-06 22:28:23,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:28:23,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780706126] [2023-11-06 22:28:23,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:23,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:28:23,397 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:28:23,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949840948] [2023-11-06 22:28:23,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:23,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:28:23,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:23,406 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:28:23,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:28:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:28:23,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:28:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:28:23,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:28:23,659 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:28:23,660 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:28:23,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:28:23,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-06 22:28:23,872 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:28:23,880 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:28:23,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:28:23 BoogieIcfgContainer [2023-11-06 22:28:23,995 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:28:23,996 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:28:23,996 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:28:23,996 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:28:23,997 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:20" (3/4) ... [2023-11-06 22:28:24,006 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:28:24,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:28:24,015 INFO L158 Benchmark]: Toolchain (without parser) took 4213.45ms. Allocated memory was 121.6MB in the beginning and 174.1MB in the end (delta: 52.4MB). Free memory was 85.3MB in the beginning and 77.3MB in the end (delta: 8.0MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2023-11-06 22:28:24,016 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:28:24,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.33ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 72.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:28:24,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.75ms. Allocated memory is still 121.6MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:28:24,017 INFO L158 Benchmark]: Boogie Preprocessor took 30.08ms. Allocated memory is still 121.6MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:28:24,017 INFO L158 Benchmark]: RCFGBuilder took 507.17ms. Allocated memory is still 121.6MB. Free memory was 68.8MB in the beginning and 54.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:28:24,018 INFO L158 Benchmark]: TraceAbstraction took 3285.99ms. Allocated memory was 121.6MB in the beginning and 174.1MB in the end (delta: 52.4MB). Free memory was 53.8MB in the beginning and 77.3MB in the end (delta: -23.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-06 22:28:24,018 INFO L158 Benchmark]: Witness Printer took 11.41ms. Allocated memory is still 174.1MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:28:24,021 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.33ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 72.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.75ms. Allocated memory is still 121.6MB. Free memory was 72.7MB in the beginning and 70.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.08ms. Allocated memory is still 121.6MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.17ms. Allocated memory is still 121.6MB. Free memory was 68.8MB in the beginning and 54.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3285.99ms. Allocated memory was 121.6MB in the beginning and 174.1MB in the end (delta: 52.4MB). Free memory was 53.8MB in the beginning and 77.3MB in the end (delta: -23.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Witness Printer took 11.41ms. Allocated memory is still 174.1MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 97, overapproximation of someBinaryArithmeticFLOAToperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] signed long int var_1_2 = -8; [L24] signed long int var_1_3 = 128; [L25] unsigned char var_1_5 = 0; [L26] float var_1_6 = 128.625; [L27] float var_1_7 = 2.625; [L28] float var_1_8 = 25.5; [L29] float var_1_9 = 4.75; [L30] float var_1_10 = 16.4; [L31] float var_1_11 = 0.2; [L32] float var_1_12 = 499.1; [L33] unsigned char var_1_13 = 0; [L34] signed long int var_1_14 = -8; [L35] unsigned char var_1_15 = 1; [L36] unsigned char last_1_var_1_13 = 0; VAL [isInitial=0, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-8, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-8, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L104] RET updateLastVariables() [L105] CALL updateVariables() [L66] var_1_2 = __VERIFIER_nondet_long() [L67] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L67] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L68] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L68] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=128, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L69] var_1_3 = __VERIFIER_nondet_long() [L70] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L70] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L71] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L71] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L72] var_1_5 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L73] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L74] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L74] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=21/8, var_1_8=51/2, var_1_9=19/4] [L75] var_1_7 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_7 >= 0.0F && 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_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=51/2, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=51/2, var_1_9=19/4] [L76] RET assume_abort_if_not((var_1_7 >= 0.0F && 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_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=51/2, var_1_9=19/4] [L77] var_1_8 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=19/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=19/4] [L78] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=19/4] [L79] var_1_9 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L80] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=82/5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L81] var_1_10 = __VERIFIER_nondet_float() [L82] 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_13=0, var_1_10=5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L82] 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_13=0, var_1_10=5, var_1_11=1/5, var_1_12=4991/10, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L83] var_1_12 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L84] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=-8, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L85] var_1_14 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L86] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L87] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L87] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L88] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L88] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L89] var_1_15 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L90] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L91] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L91] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L105] RET updateVariables() [L106] CALL step() [L40] signed long int stepLocal_1 = var_1_3; [L41] signed long int stepLocal_0 = var_1_2; VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-1, stepLocal_1=-1, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L42] COND FALSE !(! (-50 < var_1_2)) VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-1, stepLocal_1=-1, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L51] COND FALSE !(var_1_2 > (var_1_3 / var_1_14)) [L58] var_1_13 = var_1_5 VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-1, stepLocal_1=-1, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L60] COND FALSE !(\read(var_1_13)) VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-1, stepLocal_1=-1, var_1_10=5, var_1_11=1/5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L63] var_1_11 = (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f) VAL [isInitial=1, last_1_var_1_13=0, stepLocal_0=-1, stepLocal_1=-1, var_1_10=5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L106] RET step() [L107] CALL, EXPR property() [L97-L98] return ((((! (-50 < var_1_2)) ? ((var_1_2 != var_1_3) ? ((var_1_3 <= var_1_2) ? (var_1_1 == ((unsigned char) (last_1_var_1_13 && var_1_5))) : 1) : (var_1_1 == ((unsigned char) var_1_5))) : 1) && (var_1_13 ? (var_1_6 == ((float) (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_9)) > (var_1_10)) ? ((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_9)) : (var_1_10))))) : 1)) && (var_1_11 == ((float) (((((2.5f) < (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12))))) ? (2.5f) : (((((31.75f) > (var_1_12)) ? (31.75f) : (var_1_12)))))) + 0.125f)))) && ((var_1_2 > (var_1_3 / var_1_14)) ? (var_1_1 ? (var_1_13 == ((unsigned char) (! var_1_15))) : (var_1_13 == ((unsigned char) 0))) : (var_1_13 == ((unsigned char) var_1_5))) ; VAL [\result=0, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, var_1_10=5, var_1_12=6, var_1_13=0, var_1_14=2, var_1_15=1, var_1_1=0, var_1_2=-1, var_1_3=-1, var_1_5=0, var_1_6=1029/8, var_1_7=2, var_1_8=3, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 212 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 79 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 79 mSolverCounterUnsat, 115 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 299 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=2, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 672 SizeOfPredicates, 3 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1380/1440 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 [2023-11-06 22:28:24,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/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_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/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 aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:28:26,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:28:26,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:28:26,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:28:26,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:28:26,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:28:26,761 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:28:26,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:28:26,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:28:26,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:28:26,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:28:26,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:28:26,765 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:28:26,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:28:26,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:28:26,767 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:28:26,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:28:26,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:28:26,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:28:26,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:28:26,770 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:28:26,771 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:28:26,771 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:28:26,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:28:26,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:28:26,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:28:26,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:28:26,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:28:26,773 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:28:26,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:28:26,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:26,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:28:26,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:28:26,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:28:26,776 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:28:26,776 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:28:26,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:28:26,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:28:26,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:28:26,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:28:26,778 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:28:26,779 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:28:26,780 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_2cb35cec-2050-43d1-9ee5-e288dd89c52c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa1e77145a453bb1c8c30584a939ce2ad6e9e6ba71078979a914a9b565af9d38 [2023-11-06 22:28:27,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:28:27,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:28:27,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:28:27,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:28:27,194 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:28:27,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2023-11-06 22:28:30,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:28:30,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:28:30,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i [2023-11-06 22:28:30,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/data/9ca6e5eb8/658569a910b349b0abca77e242849ff1/FLAG43a287add [2023-11-06 22:28:30,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/data/9ca6e5eb8/658569a910b349b0abca77e242849ff1 [2023-11-06 22:28:30,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:28:30,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:28:30,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:30,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:28:30,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:28:30,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:30" (1/1) ... [2023-11-06 22:28:30,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652b0bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:30, skipping insertion in model container [2023-11-06 22:28:30,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:30" (1/1) ... [2023-11-06 22:28:30,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:28:30,980 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_2cb35cec-2050-43d1-9ee5-e288dd89c52c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2023-11-06 22:28:31,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:31,079 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:28:31,098 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_2cb35cec-2050-43d1-9ee5-e288dd89c52c/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-12.i[915,928] [2023-11-06 22:28:31,147 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:28:31,169 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:28:31,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31 WrapperNode [2023-11-06 22:28:31,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:28:31,171 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:31,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:28:31,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:28:31,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,247 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2023-11-06 22:28:31,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:28:31,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:28:31,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:28:31,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:28:31,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:28:31,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:28:31,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:28:31,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:28:31,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (1/1) ... [2023-11-06 22:28:31,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:28:31,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:28:31,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:28:31,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:28:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:28:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:28:31,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:28:31,378 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:28:31,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:28:31,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:28:31,464 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:28:31,466 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:28:32,242 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:28:32,248 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:28:32,249 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:28:32,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:32 BoogieIcfgContainer [2023-11-06 22:28:32,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:28:32,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:28:32,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:28:32,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:28:32,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:28:30" (1/3) ... [2023-11-06 22:28:32,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4c4003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:32, skipping insertion in model container [2023-11-06 22:28:32,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:31" (2/3) ... [2023-11-06 22:28:32,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4c4003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:32, skipping insertion in model container [2023-11-06 22:28:32,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:32" (3/3) ... [2023-11-06 22:28:32,285 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-12.i [2023-11-06 22:28:32,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:28:32,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:28:32,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:28:32,367 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;@56a9069, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:28:32,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:28:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:28:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:28:32,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:32,388 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:32,388 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:32,394 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:32,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1297832078, now seen corresponding path program 1 times [2023-11-06 22:28:32,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:28:32,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470681299] [2023-11-06 22:28:32,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:32,412 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 [2023-11-06 22:28:32,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:28:32,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:28:32,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:28:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:32,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:28:32,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-06 22:28:32,901 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:28:32,902 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:28:32,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470681299] [2023-11-06 22:28:32,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470681299] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:28:32,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:28:32,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:28:32,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544912142] [2023-11-06 22:28:32,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:28:32,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:28:32,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:28:32,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:28:32,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:28:32,946 INFO L87 Difference]: Start difference. First operand has 52 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:28:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:32,983 INFO L93 Difference]: Finished difference Result 97 states and 162 transitions. [2023-11-06 22:28:32,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:28:32,985 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 103 [2023-11-06 22:28:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:32,994 INFO L225 Difference]: With dead ends: 97 [2023-11-06 22:28:32,994 INFO L226 Difference]: Without dead ends: 48 [2023-11-06 22:28:32,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 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 22:28:33,002 INFO L413 NwaCegarLoop]: 69 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, 69 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 22:28:33,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:28:33,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-06 22:28:33,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-06 22:28:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:28:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2023-11-06 22:28:33,050 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 103 [2023-11-06 22:28:33,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:33,050 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2023-11-06 22:28:33,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 22:28:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2023-11-06 22:28:33,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:28:33,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:33,055 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:33,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:28:33,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:28:33,275 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:33,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:33,275 INFO L85 PathProgramCache]: Analyzing trace with hash -431060418, now seen corresponding path program 1 times [2023-11-06 22:28:33,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:28:33,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004277978] [2023-11-06 22:28:33,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:33,277 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 [2023-11-06 22:28:33,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:28:33,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:28:33,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:28:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:33,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:28:33,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:28:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 225 proven. 30 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-11-06 22:28:33,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:28:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 22:28:34,292 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:28:34,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004277978] [2023-11-06 22:28:34,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1004277978] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:28:34,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:28:34,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-11-06 22:28:34,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579168476] [2023-11-06 22:28:34,298 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:28:34,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:28:34,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:28:34,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:28:34,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:28:34,306 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:28:35,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:28:35,321 INFO L93 Difference]: Finished difference Result 154 states and 215 transitions. [2023-11-06 22:28:35,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-06 22:28:35,324 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 103 [2023-11-06 22:28:35,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:28:35,327 INFO L225 Difference]: With dead ends: 154 [2023-11-06 22:28:35,327 INFO L226 Difference]: Without dead ends: 109 [2023-11-06 22:28:35,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 198 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:28:35,330 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 186 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:28:35,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 140 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:28:35,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-06 22:28:35,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 53. [2023-11-06 22:28:35,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:28:35,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 73 transitions. [2023-11-06 22:28:35,358 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 73 transitions. Word has length 103 [2023-11-06 22:28:35,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:28:35,359 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 73 transitions. [2023-11-06 22:28:35,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-06 22:28:35,360 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2023-11-06 22:28:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-06 22:28:35,362 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:28:35,362 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:35,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:28:35,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:28:35,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:28:35,580 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:28:35,581 INFO L85 PathProgramCache]: Analyzing trace with hash -373802116, now seen corresponding path program 1 times [2023-11-06 22:28:35,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:28:35,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1373687470] [2023-11-06 22:28:35,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:28:35,582 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 [2023-11-06 22:28:35,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:28:35,583 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:28:35,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cb35cec-2050-43d1-9ee5-e288dd89c52c/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:28:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:28:35,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:28:35,929 INFO L285 TraceCheckSpWp]: Computing forward predicates...