./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6be4c9be62328bd37ccdf057890c0a9f3a4d0382c2ea12b98096ea1fecbede65 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:11:08,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:11:08,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:11:08,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:11:08,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:11:08,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:11:08,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:11:08,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:11:08,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:11:08,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:11:08,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:11:08,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:11:08,887 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:11:08,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:11:08,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:11:08,889 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:11:08,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:11:08,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:11:08,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:11:08,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:11:08,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:11:08,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:11:08,894 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:11:08,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:11:08,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:11:08,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:11:08,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:11:08,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:11:08,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:08,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:11:08,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:11:08,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:11:08,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:11:08,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:11:08,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:11:08,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:11:08,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:11:08,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:11:08,903 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:11:08,903 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_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6be4c9be62328bd37ccdf057890c0a9f3a4d0382c2ea12b98096ea1fecbede65 [2023-11-12 02:11:09,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:11:09,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:11:09,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:11:09,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:11:09,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:11:09,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i [2023-11-12 02:11:12,318 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:11:12,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:11:12,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i [2023-11-12 02:11:12,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/data/a70363811/c37282a5960d4104b9faef1a7766269a/FLAGec4c05580 [2023-11-12 02:11:12,581 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/data/a70363811/c37282a5960d4104b9faef1a7766269a [2023-11-12 02:11:12,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:11:12,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:11:12,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:12,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:11:12,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:11:12,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:12" (1/1) ... [2023-11-12 02:11:12,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1353ace0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:12, skipping insertion in model container [2023-11-12 02:11:12,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:12" (1/1) ... [2023-11-12 02:11:12,638 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:11:12,797 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_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i[915,928] [2023-11-12 02:11:12,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:12,939 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:11:12,959 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_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i[915,928] [2023-11-12 02:11:13,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:13,056 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:11:13,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13 WrapperNode [2023-11-12 02:11:13,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:13,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:13,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:11:13,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:11:13,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,153 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-11-12 02:11:13,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:13,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:11:13,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:11:13,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:11:13,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:11:13,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:11:13,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:11:13,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:11:13,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (1/1) ... [2023-11-12 02:11:13,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:13,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:13,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:13,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:11:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:11:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:11:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:11:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:11:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:11:13,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:11:13,468 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:11:13,470 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:11:13,897 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:11:13,905 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:11:13,905 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:11:13,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:13 BoogieIcfgContainer [2023-11-12 02:11:13,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:11:13,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:11:13,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:11:13,914 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:11:13,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:11:12" (1/3) ... [2023-11-12 02:11:13,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40832b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:13, skipping insertion in model container [2023-11-12 02:11:13,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:13" (2/3) ... [2023-11-12 02:11:13,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40832b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:13, skipping insertion in model container [2023-11-12 02:11:13,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:13" (3/3) ... [2023-11-12 02:11:13,917 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-26.i [2023-11-12 02:11:13,936 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:11:13,936 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:11:13,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:11:13,998 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2109de9f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:11:13,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:11:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 02:11:14,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:11:14,026 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:14,028 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:14,029 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:14,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:14,037 INFO L85 PathProgramCache]: Analyzing trace with hash 711714392, now seen corresponding path program 1 times [2023-11-12 02:11:14,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:14,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96429766] [2023-11-12 02:11:14,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:14,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:14,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96429766] [2023-11-12 02:11:14,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:11:14,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669255801] [2023-11-12 02:11:14,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:14,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:14,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:14,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:14,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:11:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:14,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:11:14,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-11-12 02:11:14,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:14,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669255801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:14,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:14,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:11:14,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115346443] [2023-11-12 02:11:14,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:14,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:11:14,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:14,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:11:14,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:14,634 INFO L87 Difference]: Start difference. First operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 02:11:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:14,674 INFO L93 Difference]: Finished difference Result 113 states and 192 transitions. [2023-11-12 02:11:14,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:11:14,678 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2023-11-12 02:11:14,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:14,687 INFO L225 Difference]: With dead ends: 113 [2023-11-12 02:11:14,687 INFO L226 Difference]: Without dead ends: 56 [2023-11-12 02:11:14,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:14,695 INFO L413 NwaCegarLoop]: 83 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, 83 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 [2023-11-12 02:11:14,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:11:14,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-12 02:11:14,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-12 02:11:14,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 02:11:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2023-11-12 02:11:14,781 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 118 [2023-11-12 02:11:14,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:14,782 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2023-11-12 02:11:14,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 02:11:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2023-11-12 02:11:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:11:14,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:14,791 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:14,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:14,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:11:14,998 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:14,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:14,999 INFO L85 PathProgramCache]: Analyzing trace with hash -138715684, now seen corresponding path program 1 times [2023-11-12 02:11:14,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:15,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064378129] [2023-11-12 02:11:15,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:15,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:15,110 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:15,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292426775] [2023-11-12 02:11:15,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:15,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:15,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:15,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:15,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:11:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:15,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:11:15,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:15,416 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-12 02:11:15,416 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:15,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:15,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064378129] [2023-11-12 02:11:15,417 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:11:15,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292426775] [2023-11-12 02:11:15,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292426775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:15,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:15,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:11:15,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882158604] [2023-11-12 02:11:15,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:15,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:11:15,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:15,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:11:15,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:11:15,421 INFO L87 Difference]: Start difference. First operand 56 states and 83 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-12 02:11:15,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:15,518 INFO L93 Difference]: Finished difference Result 136 states and 200 transitions. [2023-11-12 02:11:15,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:11:15,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2023-11-12 02:11:15,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:15,526 INFO L225 Difference]: With dead ends: 136 [2023-11-12 02:11:15,527 INFO L226 Difference]: Without dead ends: 83 [2023-11-12 02:11:15,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:11:15,531 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 43 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:15,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 258 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:11:15,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-12 02:11:15,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-11-12 02:11:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 57 states have internal predecessors, (75), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-12 02:11:15,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2023-11-12 02:11:15,556 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 118 [2023-11-12 02:11:15,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:15,557 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2023-11-12 02:11:15,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-12 02:11:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2023-11-12 02:11:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-12 02:11:15,560 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:15,560 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:15,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:15,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:15,767 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:15,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:15,767 INFO L85 PathProgramCache]: Analyzing trace with hash -557508680, now seen corresponding path program 1 times [2023-11-12 02:11:15,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:15,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926768658] [2023-11-12 02:11:15,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:15,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:15,814 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:15,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282741225] [2023-11-12 02:11:15,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:15,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:15,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:15,816 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:15,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:11:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:16,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 02:11:16,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-12 02:11:16,694 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:16,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:16,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926768658] [2023-11-12 02:11:16,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:11:16,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282741225] [2023-11-12 02:11:16,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282741225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:16,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:16,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:11:16,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36511053] [2023-11-12 02:11:16,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:16,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:11:16,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:16,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:11:16,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:11:16,702 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-12 02:11:17,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:17,082 INFO L93 Difference]: Finished difference Result 253 states and 372 transitions. [2023-11-12 02:11:17,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:11:17,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2023-11-12 02:11:17,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:17,088 INFO L225 Difference]: With dead ends: 253 [2023-11-12 02:11:17,088 INFO L226 Difference]: Without dead ends: 176 [2023-11-12 02:11:17,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-11-12 02:11:17,091 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 126 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:17,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 345 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:11:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-11-12 02:11:17,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 126. [2023-11-12 02:11:17,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 83 states have (on average 1.2891566265060241) internal successors, (107), 84 states have internal predecessors, (107), 39 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2023-11-12 02:11:17,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 185 transitions. [2023-11-12 02:11:17,127 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 185 transitions. Word has length 119 [2023-11-12 02:11:17,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:17,128 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 185 transitions. [2023-11-12 02:11:17,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-12 02:11:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2023-11-12 02:11:17,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-12 02:11:17,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:17,137 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:17,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:17,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:17,344 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:17,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:17,344 INFO L85 PathProgramCache]: Analyzing trace with hash 122549690, now seen corresponding path program 1 times [2023-11-12 02:11:17,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:17,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670974148] [2023-11-12 02:11:17,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:17,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:17,417 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:17,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1673479105] [2023-11-12 02:11:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:17,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:17,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:17,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:17,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:11:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:17,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:17,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:17,868 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:11:17,869 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:11:17,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:18,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:18,082 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:11:18,086 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:11:18,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:11:18 BoogieIcfgContainer [2023-11-12 02:11:18,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:11:18,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:11:18,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:11:18,230 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:11:18,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:13" (3/4) ... [2023-11-12 02:11:18,232 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:11:18,233 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:11:18,234 INFO L158 Benchmark]: Toolchain (without parser) took 5642.63ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 104.1MB in the beginning and 64.6MB in the end (delta: 39.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2023-11-12 02:11:18,234 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory was 89.5MB in the beginning and 89.4MB in the end (delta: 165.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:18,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.11ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 90.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:11:18,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.67ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 86.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:11:18,236 INFO L158 Benchmark]: Boogie Preprocessor took 72.07ms. Allocated memory is still 148.9MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:18,236 INFO L158 Benchmark]: RCFGBuilder took 680.51ms. Allocated memory is still 148.9MB. Free memory was 84.8MB in the beginning and 118.4MB in the end (delta: -33.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-12 02:11:18,237 INFO L158 Benchmark]: TraceAbstraction took 4319.00ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 117.4MB in the beginning and 64.6MB in the end (delta: 52.7MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2023-11-12 02:11:18,237 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 180.4MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:18,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory was 89.5MB in the beginning and 89.4MB in the end (delta: 165.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.11ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 90.2MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.67ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 86.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.07ms. Allocated memory is still 148.9MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.51ms. Allocated memory is still 148.9MB. Free memory was 84.8MB in the beginning and 118.4MB in the end (delta: -33.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4319.00ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 117.4MB in the beginning and 64.6MB in the end (delta: 52.7MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 180.4MB. Free memory is still 64.6MB. 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 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 133. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 16; [L23] signed long int var_1_4 = -64; [L24] signed char var_1_9 = 10; [L25] unsigned char var_1_10 = 0; [L26] signed char var_1_11 = -1; [L27] unsigned short int var_1_12 = 10000; [L28] float var_1_13 = 5.4; [L29] float var_1_14 = 1.4; [L30] unsigned short int var_1_18 = 32; [L31] double var_1_20 = 1.5; [L32] double var_1_21 = 2.75; [L33] unsigned char var_1_22 = 5; [L34] unsigned short int var_1_23 = 55712; [L35] unsigned char var_1_24 = 5; [L36] signed short int var_1_25 = 10; [L37] float var_1_26 = 64.2; [L38] unsigned long int last_1_var_1_1 = 16; [L39] signed char last_1_var_1_9 = 10; [L40] unsigned short int last_1_var_1_12 = 10000; [L41] double last_1_var_1_20 = 1.5; [L42] unsigned char last_1_var_1_22 = 5; [L43] signed short int last_1_var_1_25 = 10; VAL [isInitial=0, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=-64, var_1_9=10] [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L125] last_1_var_1_1 = var_1_1 [L126] last_1_var_1_9 = var_1_9 [L127] last_1_var_1_12 = var_1_12 [L128] last_1_var_1_20 = var_1_20 [L129] last_1_var_1_22 = var_1_22 [L130] last_1_var_1_25 = var_1_25 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=-64, var_1_9=10] [L140] RET updateLastVariables() [L141] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L96] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L98] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L98] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L99] var_1_10 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L100] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L101] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L102] var_1_11 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L103] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L104] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L104] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L105] var_1_13 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L106] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L107] var_1_14 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L109] var_1_18 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L110] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L111] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L111] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L112] var_1_21 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L113] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L114] var_1_23 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L115] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L116] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L116] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L117] var_1_24 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L118] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L119] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L119] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=321/5, var_1_4=2, var_1_9=10] [L120] var_1_26 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=10] [L121] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=10] [L122] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=10] [L122] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=10] [L141] RET updateVariables() [L142] CALL step() [L47] COND FALSE !(! var_1_10) [L54] var_1_9 = var_1_11 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=2] [L56] unsigned long int stepLocal_5 = last_1_var_1_1; [L57] signed long int stepLocal_4 = var_1_4 + last_1_var_1_9; [L58] unsigned short int stepLocal_3 = var_1_18; VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_3=0, stepLocal_4=12, stepLocal_5=16, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=5, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=2] [L59] COND FALSE !(stepLocal_5 > last_1_var_1_12) [L70] var_1_22 = var_1_24 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_3=0, stepLocal_4=12, stepLocal_5=16, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=2] [L72] unsigned char stepLocal_2 = var_1_10; [L73] signed long int stepLocal_1 = last_1_var_1_22; VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=12, stepLocal_5=16, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=2] [L74] COND TRUE ((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || stepLocal_2 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=12, stepLocal_5=16, var_1_10=1, var_1_11=2, var_1_12=10000, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=2] [L75] COND FALSE !(stepLocal_1 >= last_1_var_1_12) [L78] var_1_12 = last_1_var_1_22 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=12, stepLocal_5=16, var_1_10=1, var_1_11=2, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=2] [L81] COND TRUE var_1_11 > (var_1_22 * (var_1_12 + var_1_22)) [L82] var_1_20 = var_1_21 VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=12, stepLocal_5=16, var_1_10=1, var_1_11=2, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=10, var_1_26=5, var_1_4=2, var_1_9=2] [L84] COND TRUE (var_1_20 / var_1_26) > var_1_13 [L85] var_1_25 = ((((((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) > (2)) ? (((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) : (2))) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=12, stepLocal_5=16, var_1_10=1, var_1_11=2, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=2, var_1_9=2] [L89] signed long int stepLocal_0 = (var_1_25 + var_1_9) / var_1_4; VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_0=2, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=12, stepLocal_5=16, var_1_10=1, var_1_11=2, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=16, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=2, var_1_9=2] [L90] COND TRUE stepLocal_0 == var_1_25 [L91] var_1_1 = (((((var_1_12) < (var_1_22)) ? (var_1_12) : (var_1_22))) + var_1_22) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, stepLocal_0=2, stepLocal_1=5, stepLocal_2=1, stepLocal_3=0, stepLocal_4=12, stepLocal_5=16, var_1_10=1, var_1_11=2, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=0, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=2, var_1_9=2] [L142] RET step() [L143] CALL, EXPR property() [L133-L134] return ((((((((var_1_25 + var_1_9) / var_1_4) == var_1_25) ? (var_1_1 == ((unsigned long int) (((((var_1_12) < (var_1_22)) ? (var_1_12) : (var_1_22))) + var_1_22))) : 1) && ((! var_1_10) ? ((((((last_1_var_1_22) > (last_1_var_1_25)) ? (last_1_var_1_22) : (last_1_var_1_25))) >= last_1_var_1_12) ? (var_1_9 == ((signed char) (-16 + var_1_11))) : (var_1_9 == ((signed char) var_1_11))) : (var_1_9 == ((signed char) var_1_11)))) && ((((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || var_1_10) ? ((last_1_var_1_22 >= last_1_var_1_12) ? (var_1_12 == ((unsigned short int) (((((last_1_var_1_22) < (last_1_var_1_22)) ? (last_1_var_1_22) : (last_1_var_1_22))) + 32))) : (var_1_12 == ((unsigned short int) last_1_var_1_22))) : 1)) && ((var_1_11 > (var_1_22 * (var_1_12 + var_1_22))) ? (var_1_20 == ((double) var_1_21)) : 1)) && ((last_1_var_1_1 > last_1_var_1_12) ? ((last_1_var_1_1 >= (var_1_4 + last_1_var_1_9)) ? ((var_1_18 == (var_1_23 - 8)) ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24)))) && (((var_1_20 / var_1_26) > var_1_13) ? (var_1_25 == ((signed short int) ((((((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) > (2)) ? (((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) : (2))))) : (var_1_25 == ((signed short int) var_1_11))) ; VAL [\result=0, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=0, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=2, var_1_9=2] [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=0, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=2, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=1, var_1_11=2, var_1_12=5, var_1_13=2, var_1_14=3, var_1_18=0, var_1_1=0, var_1_20=4, var_1_21=4, var_1_22=0, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_26=5, var_1_4=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 686 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 440 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 246 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 360 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 53 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 592 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 1038 SizeOfPredicates, 7 NumberOfNonLiveVariables, 934 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1836/1836 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 [2023-11-12 02:11:18,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6be4c9be62328bd37ccdf057890c0a9f3a4d0382c2ea12b98096ea1fecbede65 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:11:21,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:11:21,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:11:21,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:11:21,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:11:21,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:11:21,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:11:21,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:11:21,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:11:21,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:11:21,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:11:21,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:11:21,155 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:11:21,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:11:21,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:11:21,157 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:11:21,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:11:21,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:11:21,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:11:21,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:11:21,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:11:21,160 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:11:21,160 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:11:21,161 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:11:21,161 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:11:21,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:11:21,162 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:11:21,162 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:11:21,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:11:21,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:11:21,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:21,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:11:21,165 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:11:21,165 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:11:21,165 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:11:21,166 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:11:21,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:11:21,167 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:11:21,167 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:11:21,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:11:21,168 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:11:21,168 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:11:21,169 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_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6be4c9be62328bd37ccdf057890c0a9f3a4d0382c2ea12b98096ea1fecbede65 [2023-11-12 02:11:21,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:11:21,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:11:21,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:11:21,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:11:21,560 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:11:21,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i [2023-11-12 02:11:24,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:11:25,147 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:11:25,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i [2023-11-12 02:11:25,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/data/946c4cb4b/1fe6e6ac17544c779e02f2dae48159ac/FLAGc15bd0b98 [2023-11-12 02:11:25,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/data/946c4cb4b/1fe6e6ac17544c779e02f2dae48159ac [2023-11-12 02:11:25,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:11:25,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:11:25,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:25,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:11:25,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:11:25,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7b543f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25, skipping insertion in model container [2023-11-12 02:11:25,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:11:25,460 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_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i[915,928] [2023-11-12 02:11:25,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:25,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:11:25,613 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_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i[915,928] [2023-11-12 02:11:25,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:25,705 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:11:25,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25 WrapperNode [2023-11-12 02:11:25,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:25,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:25,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:11:25,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:11:25,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,804 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-11-12 02:11:25,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:25,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:11:25,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:11:25,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:11:25,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:11:25,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:11:25,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:11:25,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:11:25,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (1/1) ... [2023-11-12 02:11:25,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:25,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:25,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:25,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:11:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:11:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:11:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:11:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:11:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:11:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:11:26,071 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:11:26,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:11:34,304 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:11:34,312 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:11:34,313 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:11:34,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:34 BoogieIcfgContainer [2023-11-12 02:11:34,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:11:34,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:11:34,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:11:34,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:11:34,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:11:25" (1/3) ... [2023-11-12 02:11:34,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1fd902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:34, skipping insertion in model container [2023-11-12 02:11:34,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:25" (2/3) ... [2023-11-12 02:11:34,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1fd902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:34, skipping insertion in model container [2023-11-12 02:11:34,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:34" (3/3) ... [2023-11-12 02:11:34,328 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-26.i [2023-11-12 02:11:34,353 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:11:34,353 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:11:34,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:11:34,439 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@727bec09, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:11:34,440 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:11:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 02:11:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:11:34,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:34,472 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:34,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:34,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:34,482 INFO L85 PathProgramCache]: Analyzing trace with hash 711714392, now seen corresponding path program 1 times [2023-11-12 02:11:34,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:11:34,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870018256] [2023-11-12 02:11:34,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:34,501 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 [2023-11-12 02:11:34,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:11:34,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:11:34,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:36,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:11:36,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-12 02:11:36,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:36,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:11:36,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870018256] [2023-11-12 02:11:36,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [870018256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:36,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:36,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:11:36,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013525442] [2023-11-12 02:11:36,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:36,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:11:36,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:11:36,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:11:36,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:36,306 INFO L87 Difference]: Start difference. First operand has 60 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 02:11:36,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:36,361 INFO L93 Difference]: Finished difference Result 113 states and 192 transitions. [2023-11-12 02:11:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:11:36,363 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2023-11-12 02:11:36,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:36,374 INFO L225 Difference]: With dead ends: 113 [2023-11-12 02:11:36,374 INFO L226 Difference]: Without dead ends: 56 [2023-11-12 02:11:36,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:36,385 INFO L413 NwaCegarLoop]: 83 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, 83 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 [2023-11-12 02:11:36,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:11:36,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2023-11-12 02:11:36,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2023-11-12 02:11:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-12 02:11:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 83 transitions. [2023-11-12 02:11:36,434 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 83 transitions. Word has length 118 [2023-11-12 02:11:36,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:36,435 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 83 transitions. [2023-11-12 02:11:36,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-11-12 02:11:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2023-11-12 02:11:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-12 02:11:36,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:36,440 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:36,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-12 02:11:36,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:36,642 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:36,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:36,643 INFO L85 PathProgramCache]: Analyzing trace with hash -138715684, now seen corresponding path program 1 times [2023-11-12 02:11:36,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:11:36,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [763045987] [2023-11-12 02:11:36,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:36,645 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 [2023-11-12 02:11:36,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:11:36,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:11:36,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:37,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:11:37,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-12 02:11:39,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:11:40,138 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-12 02:11:40,139 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:11:40,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [763045987] [2023-11-12 02:11:40,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [763045987] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:11:40,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:11:40,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-11-12 02:11:40,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852511765] [2023-11-12 02:11:40,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:40,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:11:40,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:11:40,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:11:40,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:11:40,146 INFO L87 Difference]: Start difference. First operand 56 states and 83 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-12 02:11:44,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:11:46,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:11:48,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:11:50,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:11:51,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:51,025 INFO L93 Difference]: Finished difference Result 136 states and 200 transitions. [2023-11-12 02:11:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:11:51,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2023-11-12 02:11:51,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:51,030 INFO L225 Difference]: With dead ends: 136 [2023-11-12 02:11:51,030 INFO L226 Difference]: Without dead ends: 83 [2023-11-12 02:11:51,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:11:51,033 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 43 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:51,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 258 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 4 Unknown, 0 Unchecked, 10.8s Time] [2023-11-12 02:11:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-12 02:11:51,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2023-11-12 02:11:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 57 states have internal predecessors, (75), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-12 02:11:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2023-11-12 02:11:51,057 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 118 [2023-11-12 02:11:51,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:51,059 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2023-11-12 02:11:51,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-12 02:11:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2023-11-12 02:11:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-12 02:11:51,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:51,063 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:51,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:51,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:51,286 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:51,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:51,287 INFO L85 PathProgramCache]: Analyzing trace with hash -557508680, now seen corresponding path program 1 times [2023-11-12 02:11:51,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:11:51,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062149368] [2023-11-12 02:11:51,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:51,288 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 [2023-11-12 02:11:51,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:11:51,290 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:11:51,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d9c331b-5e1a-4b29-8f71-a2eee2edde77/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:52,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:11:52,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-12 02:11:54,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:54,270 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:11:54,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062149368] [2023-11-12 02:11:54,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062149368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:54,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:54,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:11:54,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930020569] [2023-11-12 02:11:54,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:54,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:11:54,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:11:54,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:11:54,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:11:54,275 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-11-12 02:11:57,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:12:01,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:12:03,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:12:05,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:12:07,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:12:09,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-12 02:12:12,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []