./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ --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 c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:39:04,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:39:04,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 21:39:04,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:39:04,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:39:04,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:39:04,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:39:04,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:39:04,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:39:04,984 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:39:04,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:39:04,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:39:04,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:39:04,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:39:04,988 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:39:04,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:39:04,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:39:04,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:39:04,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:39:04,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:39:04,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:39:04,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:39:04,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:39:04,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:39:04,993 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:39:04,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:39:04,994 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:39:04,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:39:04,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:39:04,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:39:04,997 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:39:04,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:39:04,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:39:04,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:39:04,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:39:04,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:39:04,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:39:04,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:39:04,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:39:05,000 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:39:05,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:39:05,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:39:05,001 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_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 [2023-11-23 21:39:05,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:39:05,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:39:05,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:39:05,340 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:39:05,341 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:39:05,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2023-11-23 21:39:08,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:39:08,944 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:39:08,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2023-11-23 21:39:08,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/data/183e26b0b/7e0a2a8f471d482f84044b9f2c284a82/FLAGcc43a3dcf [2023-11-23 21:39:08,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/data/183e26b0b/7e0a2a8f471d482f84044b9f2c284a82 [2023-11-23 21:39:08,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:39:08,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:39:08,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:39:08,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:39:08,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:39:08,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:39:08" (1/1) ... [2023-11-23 21:39:08,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4def6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:08, skipping insertion in model container [2023-11-23 21:39:08,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:39:08" (1/1) ... [2023-11-23 21:39:09,009 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:39:09,159 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_c953c832-b5d3-44b7-90ac-d8a5eef57a25/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2023-11-23 21:39:09,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:39:09,210 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:39:09,223 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_c953c832-b5d3-44b7-90ac-d8a5eef57a25/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2023-11-23 21:39:09,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:39:09,264 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:39:09,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09 WrapperNode [2023-11-23 21:39:09,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:39:09,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:39:09,267 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:39:09,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:39:09,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,336 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2023-11-23 21:39:09,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:39:09,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:39:09,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:39:09,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:39:09,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,364 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,384 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:39:09,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:39:09,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:39:09,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:39:09,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:39:09,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (1/1) ... [2023-11-23 21:39:09,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:39:09,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:39:09,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:39:09,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:39:09,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:39:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:39:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:39:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:39:09,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:39:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:39:09,613 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:39:09,615 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:39:10,020 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:39:10,054 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:39:10,054 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:39:10,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:39:10 BoogieIcfgContainer [2023-11-23 21:39:10,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:39:10,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:39:10,064 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:39:10,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:39:10,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:39:08" (1/3) ... [2023-11-23 21:39:10,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431f9433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:39:10, skipping insertion in model container [2023-11-23 21:39:10,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:09" (2/3) ... [2023-11-23 21:39:10,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@431f9433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:39:10, skipping insertion in model container [2023-11-23 21:39:10,072 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:39:10" (3/3) ... [2023-11-23 21:39:10,073 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-97.i [2023-11-23 21:39:10,094 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:39:10,094 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:39:10,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:39:10,200 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;@3cc621d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:39:10,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:39:10,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:39:10,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-23 21:39:10,223 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:39:10,244 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:39:10,245 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:39:10,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:39:10,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1540364761, now seen corresponding path program 1 times [2023-11-23 21:39:10,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:39:10,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580164796] [2023-11-23 21:39:10,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:39:10,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:39:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:39:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:39:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 21:39:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 21:39:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 21:39:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:39:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 21:39:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 21:39:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 21:39:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 21:39:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 21:39:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:39:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:39:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-23 21:39:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 21:39:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 21:39:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:10,654 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 21:39:10,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:39:10,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580164796] [2023-11-23 21:39:10,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580164796] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:39:10,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:39:10,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:39:10,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378221720] [2023-11-23 21:39:10,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:39:10,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:39:10,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:39:10,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:39:10,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:39:10,703 INFO L87 Difference]: Start difference. First operand has 53 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:39:10,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:39:10,744 INFO L93 Difference]: Finished difference Result 102 states and 178 transitions. [2023-11-23 21:39:10,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:39:10,748 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 99 [2023-11-23 21:39:10,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:39:10,758 INFO L225 Difference]: With dead ends: 102 [2023-11-23 21:39:10,759 INFO L226 Difference]: Without dead ends: 50 [2023-11-23 21:39:10,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:39:10,768 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:39:10,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:39:10,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-23 21:39:10,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-23 21:39:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:39:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 75 transitions. [2023-11-23 21:39:10,819 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 75 transitions. Word has length 99 [2023-11-23 21:39:10,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:39:10,819 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 75 transitions. [2023-11-23 21:39:10,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:39:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2023-11-23 21:39:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-23 21:39:10,825 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:39:10,826 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:39:10,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:39:10,827 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:39:10,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:39:10,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1313093525, now seen corresponding path program 1 times [2023-11-23 21:39:10,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:39:10,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248006682] [2023-11-23 21:39:10,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:39:10,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:39:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:39:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:39:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 21:39:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 21:39:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 21:39:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:39:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 21:39:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 21:39:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 21:39:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 21:39:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 21:39:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:39:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:39:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-23 21:39:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 21:39:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 21:39:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,493 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 21:39:11,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:39:11,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248006682] [2023-11-23 21:39:11,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248006682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:39:11,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:39:11,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:39:11,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619466799] [2023-11-23 21:39:11,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:39:11,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:39:11,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:39:11,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:39:11,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:39:11,506 INFO L87 Difference]: Start difference. First operand 50 states and 75 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 21:39:11,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:39:11,593 INFO L93 Difference]: Finished difference Result 117 states and 176 transitions. [2023-11-23 21:39:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:39:11,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 99 [2023-11-23 21:39:11,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:39:11,597 INFO L225 Difference]: With dead ends: 117 [2023-11-23 21:39:11,599 INFO L226 Difference]: Without dead ends: 68 [2023-11-23 21:39:11,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:39:11,603 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 38 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:39:11,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 275 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:39:11,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-23 21:39:11,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 57. [2023-11-23 21:39:11,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 39 states have internal predecessors, (55), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:39:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 87 transitions. [2023-11-23 21:39:11,630 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 87 transitions. Word has length 99 [2023-11-23 21:39:11,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:39:11,631 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 87 transitions. [2023-11-23 21:39:11,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 21:39:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 87 transitions. [2023-11-23 21:39:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 21:39:11,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:39:11,636 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:39:11,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:39:11,636 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:39:11,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:39:11,637 INFO L85 PathProgramCache]: Analyzing trace with hash -212849324, now seen corresponding path program 1 times [2023-11-23 21:39:11,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:39:11,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549163003] [2023-11-23 21:39:11,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:39:11,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:39:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:39:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:39:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 21:39:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 21:39:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 21:39:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:39:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 21:39:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 21:39:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 21:39:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 21:39:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 21:39:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:39:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:39:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-23 21:39:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 21:39:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 21:39:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:12,020 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-23 21:39:12,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:39:12,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549163003] [2023-11-23 21:39:12,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549163003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:39:12,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:39:12,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:39:12,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805935665] [2023-11-23 21:39:12,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:39:12,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:39:12,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:39:12,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:39:12,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:39:12,028 INFO L87 Difference]: Start difference. First operand 57 states and 87 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 21:39:12,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:39:12,201 INFO L93 Difference]: Finished difference Result 125 states and 188 transitions. [2023-11-23 21:39:12,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:39:12,201 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 100 [2023-11-23 21:39:12,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:39:12,208 INFO L225 Difference]: With dead ends: 125 [2023-11-23 21:39:12,208 INFO L226 Difference]: Without dead ends: 69 [2023-11-23 21:39:12,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:39:12,216 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 45 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:39:12,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 291 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:39:12,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-23 21:39:12,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 60. [2023-11-23 21:39:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:39:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 88 transitions. [2023-11-23 21:39:12,237 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 88 transitions. Word has length 100 [2023-11-23 21:39:12,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:39:12,238 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 88 transitions. [2023-11-23 21:39:12,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2023-11-23 21:39:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2023-11-23 21:39:12,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 21:39:12,240 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:39:12,240 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:39:12,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:39:12,241 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:39:12,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:39:12,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1517427526, now seen corresponding path program 1 times [2023-11-23 21:39:12,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:39:12,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100841003] [2023-11-23 21:39:12,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:39:12,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:39:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:39:12,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:39:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:39:12,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:39:12,466 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:39:12,467 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:39:12,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:39:12,476 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 21:39:12,483 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:39:12,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-23 21:39:12,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite15 could not be translated [2023-11-23 21:39:12,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-23 21:39:12,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite15 could not be translated [2023-11-23 21:39:12,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated [2023-11-23 21:39:12,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:39:12 BoogieIcfgContainer [2023-11-23 21:39:12,592 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:39:12,592 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:39:12,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:39:12,593 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:39:12,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:39:10" (3/4) ... [2023-11-23 21:39:12,595 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:39:12,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:39:12,602 INFO L158 Benchmark]: Toolchain (without parser) took 3629.66ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 103.9MB in the beginning and 132.4MB in the end (delta: -28.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-23 21:39:12,603 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:39:12,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.71ms. Allocated memory is still 134.2MB. Free memory was 103.7MB in the beginning and 91.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 21:39:12,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.73ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:39:12,609 INFO L158 Benchmark]: Boogie Preprocessor took 53.04ms. Allocated memory is still 134.2MB. Free memory was 89.7MB in the beginning and 87.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:39:12,609 INFO L158 Benchmark]: RCFGBuilder took 657.09ms. Allocated memory is still 134.2MB. Free memory was 87.3MB in the beginning and 70.4MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:39:12,611 INFO L158 Benchmark]: TraceAbstraction took 2529.34ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 69.7MB in the beginning and 132.4MB in the end (delta: -62.8MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2023-11-23 21:39:12,611 INFO L158 Benchmark]: Witness Printer took 9.25ms. Allocated memory is still 169.9MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:39:12,617 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.71ms. Allocated memory is still 134.2MB. Free memory was 103.7MB in the beginning and 91.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.73ms. Allocated memory is still 134.2MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.04ms. Allocated memory is still 134.2MB. Free memory was 89.7MB in the beginning and 87.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.09ms. Allocated memory is still 134.2MB. Free memory was 87.3MB in the beginning and 70.4MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2529.34ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 69.7MB in the beginning and 132.4MB in the end (delta: -62.8MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Witness Printer took 9.25ms. Allocated memory is still 169.9MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short16 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryArithmeticFLOAToperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_6 = 1; [L25] signed short int var_1_7 = 32; [L26] signed short int var_1_8 = 20113; [L27] signed short int var_1_9 = 100; [L28] signed char var_1_10 = 100; [L29] signed char var_1_11 = -1; [L30] signed char var_1_12 = 16; [L31] float var_1_13 = 1.2; [L32] float var_1_14 = 3.6; [L33] float var_1_15 = 5.5; [L34] signed char last_1_var_1_10 = 100; [L97] isInitial = 1 [L98] FCALL initially() [L99] COND TRUE 1 [L100] CALL updateLastVariables() [L90] last_1_var_1_10 = var_1_10 [L100] RET updateLastVariables() [L101] CALL updateVariables() [L63] var_1_2 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L64] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L65] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L65] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L66] var_1_6 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L67] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_7=32, var_1_8=20113, var_1_9=100] [L68] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L68] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=32, var_1_8=20113, var_1_9=100] [L69] var_1_7 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L70] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L71] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L71] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=20113, var_1_9=100] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L73] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L74] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L74] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=100] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L78] var_1_11 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L79] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L80] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L80] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=16, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L81] var_1_12 = __VERIFIER_nondet_char() [L82] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L82] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L83] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L83] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_14=18/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L84] var_1_14 = __VERIFIER_nondet_float() [L85] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L85] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_15=11/2, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L86] var_1_15 = __VERIFIER_nondet_float() [L87] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L87] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L101] RET updateVariables() [L102] CALL step() [L38] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=100, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L49] COND TRUE var_1_1 == var_1_7 [L50] var_1_10 = (var_1_11 + (var_1_12 + -25)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=70, var_1_11=63, var_1_12=32, var_1_13=6/5, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L56] COND TRUE \read(var_1_6) [L57] var_1_13 = ((((16.3f) < ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f))))) ? (16.3f) : ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f)))))) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=70, var_1_11=63, var_1_12=32, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L102] RET step() [L103] CALL, EXPR property() [L93] EXPR (var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=70, var_1_11=63, var_1_12=32, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L93] EXPR (var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=70, var_1_11=63, var_1_12=32, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L93] EXPR (var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1)) VAL [isInitial=1, last_1_var_1_10=100, var_1_10=70, var_1_11=63, var_1_12=32, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L93-L94] return ((var_1_2 ? ((last_1_var_1_10 > last_1_var_1_10) ? (var_1_6 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) last_1_var_1_10))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_1 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : (((100 | var_1_1) >= var_1_7) ? (var_1_10 == ((signed char) var_1_11)) : 1))) && (var_1_6 ? (var_1_13 == ((float) ((((16.3f) < ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f))))) ? (16.3f) : ((((((var_1_14 - 1.875f)) > (63.5f)) ? ((var_1_14 - 1.875f)) : (63.5f)))))))) : (var_1_13 == ((float) (var_1_14 - var_1_15)))) ; [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=100, var_1_10=70, var_1_11=63, var_1_12=32, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=100, var_1_10=70, var_1_11=63, var_1_12=32, var_1_13=163/10, var_1_1=16, var_1_2=0, var_1_6=1, var_1_7=16, var_1_8=32766, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 638 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 411 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 227 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 295 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1440/1440 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:39:12,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/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_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ --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 c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:39:15,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:39:15,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 21:39:15,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:39:15,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:39:15,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:39:15,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:39:15,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:39:15,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:39:15,598 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:39:15,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:39:15,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:39:15,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:39:15,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:39:15,602 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:39:15,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:39:15,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:39:15,604 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:39:15,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:39:15,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:39:15,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:39:15,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:39:15,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:39:15,607 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:39:15,607 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:39:15,608 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:39:15,608 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:39:15,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:39:15,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:39:15,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:39:15,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:39:15,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:39:15,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:39:15,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:39:15,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:39:15,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:39:15,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:39:15,613 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 21:39:15,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:39:15,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:39:15,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:39:15,615 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:39:15,615 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:39:15,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:39:15,616 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 21:39:15,616 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_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e8aed75b6aae514a0d499fcbb2bf5d3d807025150b968049d6109cd835d972 [2023-11-23 21:39:16,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:39:16,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:39:16,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:39:16,060 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:39:16,061 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:39:16,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2023-11-23 21:39:19,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:39:19,479 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:39:19,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i [2023-11-23 21:39:19,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/data/bacb3dc1e/5f23e7f724b84250b64501867b02be36/FLAG95a98025f [2023-11-23 21:39:19,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/data/bacb3dc1e/5f23e7f724b84250b64501867b02be36 [2023-11-23 21:39:19,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:39:19,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:39:19,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:39:19,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:39:19,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:39:19,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:19,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130abfdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19, skipping insertion in model container [2023-11-23 21:39:19,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:19,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:39:19,756 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_c953c832-b5d3-44b7-90ac-d8a5eef57a25/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2023-11-23 21:39:19,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:39:19,859 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:39:19,882 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_c953c832-b5d3-44b7-90ac-d8a5eef57a25/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-97.i[915,928] [2023-11-23 21:39:19,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:39:19,947 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:39:19,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19 WrapperNode [2023-11-23 21:39:19,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:39:19,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:39:19,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:39:19,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:39:19,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:19,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,022 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-11-23 21:39:20,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:39:20,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:39:20,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:39:20,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:39:20,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,054 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,070 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:39:20,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,071 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:39:20,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:39:20,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:39:20,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:39:20,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (1/1) ... [2023-11-23 21:39:20,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:39:20,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:39:20,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:39:20,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:39:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 21:39:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:39:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:39:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:39:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:39:20,311 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:39:20,313 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:39:20,870 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:39:20,940 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:39:20,941 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:39:20,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:39:20 BoogieIcfgContainer [2023-11-23 21:39:20,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:39:20,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:39:20,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:39:20,950 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:39:20,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:39:19" (1/3) ... [2023-11-23 21:39:20,951 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587fde2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:39:20, skipping insertion in model container [2023-11-23 21:39:20,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:39:19" (2/3) ... [2023-11-23 21:39:20,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@587fde2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:39:20, skipping insertion in model container [2023-11-23 21:39:20,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:39:20" (3/3) ... [2023-11-23 21:39:20,953 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-97.i [2023-11-23 21:39:20,974 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:39:20,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:39:21,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:39:21,033 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;@245564fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:39:21,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:39:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:39:21,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 21:39:21,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:39:21,050 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:39:21,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:39:21,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:39:21,056 INFO L85 PathProgramCache]: Analyzing trace with hash 329347235, now seen corresponding path program 1 times [2023-11-23 21:39:21,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:39:21,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004343419] [2023-11-23 21:39:21,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:39:21,073 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 [2023-11-23 21:39:21,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:39:21,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:39:21,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:39:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:21,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:39:21,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:39:21,412 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2023-11-23 21:39:21,412 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:39:21,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:39:21,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004343419] [2023-11-23 21:39:21,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1004343419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:39:21,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:39:21,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:39:21,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198272581] [2023-11-23 21:39:21,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:39:21,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:39:21,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:39:21,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:39:21,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:39:21,455 INFO L87 Difference]: Start difference. First operand has 44 states, 25 states have (on average 1.44) internal successors, (36), 26 states have internal predecessors, (36), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:39:21,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:39:21,636 INFO L93 Difference]: Finished difference Result 84 states and 148 transitions. [2023-11-23 21:39:21,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:39:21,644 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 97 [2023-11-23 21:39:21,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:39:21,651 INFO L225 Difference]: With dead ends: 84 [2023-11-23 21:39:21,652 INFO L226 Difference]: Without dead ends: 41 [2023-11-23 21:39:21,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:39:21,659 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:39:21,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:39:21,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-23 21:39:21,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-23 21:39:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 21:39:21,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 60 transitions. [2023-11-23 21:39:21,707 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 60 transitions. Word has length 97 [2023-11-23 21:39:21,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:39:21,708 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 60 transitions. [2023-11-23 21:39:21,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:39:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2023-11-23 21:39:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 21:39:21,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:39:21,714 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:39:21,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:39:21,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:39:21,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:39:21,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:39:21,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1790561631, now seen corresponding path program 1 times [2023-11-23 21:39:21,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:39:21,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94191743] [2023-11-23 21:39:21,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:39:21,924 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 [2023-11-23 21:39:21,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:39:21,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:39:21,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c953c832-b5d3-44b7-90ac-d8a5eef57a25/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:39:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:22,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 21:39:22,284 INFO L285 TraceCheckSpWp]: Computing forward predicates...