./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya --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 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:22:24,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:22:24,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:22:24,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:22:24,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:22:24,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:22:24,298 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:22:24,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:22:24,300 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:22:24,300 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:22:24,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:22:24,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:22:24,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:22:24,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:22:24,303 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:22:24,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:22:24,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:22:24,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:22:24,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:22:24,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:22:24,306 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:22:24,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:22:24,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:22:24,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:22:24,309 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:22:24,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:22:24,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:22:24,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:22:24,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:22:24,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:22:24,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:22:24,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:22:24,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:22:24,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:22:24,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:22:24,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:22:24,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:22:24,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:22:24,314 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:22:24,314 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:22:24,314 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:22:24,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:22:24,315 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_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 [2023-11-29 06:22:24,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:22:24,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:22:24,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:22:24,597 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:22:24,598 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:22:24,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2023-11-29 06:22:27,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:22:27,808 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:22:27,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2023-11-29 06:22:27,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/data/163b3e1a0/6c9a302336384d218bce538038f92093/FLAGd9682e3de [2023-11-29 06:22:27,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/data/163b3e1a0/6c9a302336384d218bce538038f92093 [2023-11-29 06:22:27,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:22:27,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:22:27,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:22:27,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:22:27,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:22:27,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:27" (1/1) ... [2023-11-29 06:22:27,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5de959aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:27, skipping insertion in model container [2023-11-29 06:22:27,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:27" (1/1) ... [2023-11-29 06:22:27,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:22:28,025 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_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2023-11-29 06:22:28,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:22:28,092 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:22:28,107 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_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2023-11-29 06:22:28,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:22:28,153 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:22:28,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28 WrapperNode [2023-11-29 06:22:28,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:22:28,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:22:28,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:22:28,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:22:28,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,212 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-29 06:22:28,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:22:28,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:22:28,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:22:28,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:22:28,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,248 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:22:28,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:22:28,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:22:28,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:22:28,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:22:28,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (1/1) ... [2023-11-29 06:22:28,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:22:28,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:28,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:22:28,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:22:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:22:28,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:22:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:22:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:22:28,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:22:28,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:22:28,462 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:22:28,464 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:22:28,804 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:22:28,848 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:22:28,848 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:22:28,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:28 BoogieIcfgContainer [2023-11-29 06:22:28,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:22:28,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:22:28,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:22:28,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:22:28,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:22:27" (1/3) ... [2023-11-29 06:22:28,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1133e1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:22:28, skipping insertion in model container [2023-11-29 06:22:28,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:28" (2/3) ... [2023-11-29 06:22:28,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1133e1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:22:28, skipping insertion in model container [2023-11-29 06:22:28,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:28" (3/3) ... [2023-11-29 06:22:28,859 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-76.i [2023-11-29 06:22:28,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:22:28,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:22:28,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:22:28,947 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;@4eef956b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:22:28,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:22:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 44 states have (on average 1.5) internal successors, (66), 45 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:22:28,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 06:22:28,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:22:28,969 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:22:28,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:22:28,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:28,974 INFO L85 PathProgramCache]: Analyzing trace with hash 135047863, now seen corresponding path program 1 times [2023-11-29 06:22:28,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:28,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574622898] [2023-11-29 06:22:28,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:28,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:29,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:22:29,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574622898] [2023-11-29 06:22:29,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 06:22:29,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541241957] [2023-11-29 06:22:29,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:29,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:29,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:29,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:29,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:22:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:29,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:22:29,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:29,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-29 06:22:29,453 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:29,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541241957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:29,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:29,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:22:29,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823145177] [2023-11-29 06:22:29,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:29,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:22:29,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:22:29,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:22:29,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:22:29,493 INFO L87 Difference]: Start difference. First operand has 70 states, 44 states have (on average 1.5) internal successors, (66), 45 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:22:29,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:29,530 INFO L93 Difference]: Finished difference Result 137 states and 245 transitions. [2023-11-29 06:22:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:22:29,533 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 145 [2023-11-29 06:22:29,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:22:29,540 INFO L225 Difference]: With dead ends: 137 [2023-11-29 06:22:29,540 INFO L226 Difference]: Without dead ends: 68 [2023-11-29 06:22:29,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:22:29,547 INFO L413 NwaCegarLoop]: 104 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, 104 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 [2023-11-29 06:22:29,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:22:29,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-29 06:22:29,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-29 06:22:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 43 states have internal predecessors, (61), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:22:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 107 transitions. [2023-11-29 06:22:29,595 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 107 transitions. Word has length 145 [2023-11-29 06:22:29,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:22:29,595 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 107 transitions. [2023-11-29 06:22:29,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:22:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 107 transitions. [2023-11-29 06:22:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 06:22:29,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:22:29,601 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:22:29,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:22:29,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 06:22:29,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:22:29,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:29,805 INFO L85 PathProgramCache]: Analyzing trace with hash -228268303, now seen corresponding path program 1 times [2023-11-29 06:22:29,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:22:29,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925817287] [2023-11-29 06:22:29,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:29,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:22:29,879 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:22:29,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546617861] [2023-11-29 06:22:29,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:29,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:29,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:29,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:22:29,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:22:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:30,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:22:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:22:30,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:22:30,171 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:22:30,172 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:22:30,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:22:30,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:22:30,377 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 06:22:30,381 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:22:30,464 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 06:22:30,466 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-29 06:22:30,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:22:30 BoogieIcfgContainer [2023-11-29 06:22:30,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:22:30,492 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:22:30,492 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:22:30,492 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:22:30,492 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:28" (3/4) ... [2023-11-29 06:22:30,495 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:22:30,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:22:30,497 INFO L158 Benchmark]: Toolchain (without parser) took 2659.65ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 108.7MB in the beginning and 157.8MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:22:30,497 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:22:30,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.14ms. Allocated memory is still 146.8MB. Free memory was 108.7MB in the beginning and 95.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 06:22:30,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.75ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 92.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:22:30,499 INFO L158 Benchmark]: Boogie Preprocessor took 60.89ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 89.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:22:30,499 INFO L158 Benchmark]: RCFGBuilder took 574.10ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 89.1MB in the beginning and 157.0MB in the end (delta: -67.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-29 06:22:30,500 INFO L158 Benchmark]: TraceAbstraction took 1639.34ms. Allocated memory is still 188.7MB. Free memory was 157.0MB in the beginning and 157.8MB in the end (delta: -852.4kB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2023-11-29 06:22:30,500 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 188.7MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:22:30,504 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.14ms. Allocated memory is still 146.8MB. Free memory was 108.7MB in the beginning and 95.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.75ms. Allocated memory is still 146.8MB. Free memory was 95.4MB in the beginning and 92.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.89ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 89.1MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.10ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 89.1MB in the beginning and 157.0MB in the end (delta: -67.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1639.34ms. Allocated memory is still 188.7MB. Free memory was 157.0MB in the beginning and 157.8MB in the end (delta: -852.4kB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 188.7MB. Free memory is still 157.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 130. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed char var_1_9 = -16; [L31] signed long int var_1_10 = 1; [L32] signed long int var_1_11 = 4; [L33] signed long int var_1_12 = 0; [L34] signed long int var_1_13 = -16; [L35] unsigned short int var_1_14 = 10000; [L36] unsigned short int var_1_15 = 5; [L37] unsigned short int var_1_16 = 5; [L38] unsigned short int var_1_17 = 4; [L39] unsigned char var_1_18 = 100; [L40] unsigned char var_1_19 = 1; [L41] unsigned char var_1_20 = 8; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] FCALL updateLastVariables() [L138] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_3=15/2, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L93] var_1_3 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L94] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L95] var_1_4 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L96] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L97] var_1_5 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L98] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4, var_1_9=-16] [L99] var_1_7 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L100] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L101] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L101] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=-16] [L102] var_1_9 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_9 >= -128) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L103] RET assume_abort_if_not(var_1_9 >= -128) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L104] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L104] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=1, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L105] var_1_10 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_10 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L106] RET assume_abort_if_not(var_1_10 >= -2147483648) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L107] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L107] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=0, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L108] var_1_12 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_12 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L109] RET assume_abort_if_not(var_1_12 >= -1073741823) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L110] CALL assume_abort_if_not(var_1_12 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L110] RET assume_abort_if_not(var_1_12 <= 1073741823) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-16, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L111] var_1_13 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_13 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L112] RET assume_abort_if_not(var_1_13 >= -1073741823) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L113] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L113] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=5, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L114] var_1_15 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L115] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L116] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L116] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L117] var_1_16 = __VERIFIER_nondet_ushort() [L118] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L118] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L119] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L119] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L120] var_1_19 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L121] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L122] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L122] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L123] var_1_20 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L124] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L125] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L125] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=0, var_1_2=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L138] RET updateVariables() [L139] CALL step() [L45] COND TRUE ! var_1_2 [L46] var_1_1 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L50] COND FALSE !(var_1_5 > (var_1_3 / var_1_7)) VAL [isInitial=1, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L55] signed long int stepLocal_0 = var_1_10; VAL [isInitial=1, stepLocal_0=-4095, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L56] COND FALSE !((var_1_6 * var_1_9) >= stepLocal_0) VAL [isInitial=1, stepLocal_0=-4095, var_1_10=-4095, var_1_11=4, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L61] COND TRUE var_1_4 <= var_1_1 [L62] var_1_11 = (var_1_9 + -128) VAL [isInitial=1, stepLocal_0=-4095, var_1_10=-4095, var_1_11=-64, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L66] COND FALSE !(var_1_5 >= var_1_1) VAL [isInitial=1, stepLocal_0=-4095, var_1_10=-4095, var_1_11=-64, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L73] COND FALSE !(\read(var_1_2)) [L82] var_1_17 = var_1_16 VAL [isInitial=1, stepLocal_0=-4095, var_1_10=-4095, var_1_11=-64, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=9935, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L84] unsigned short int stepLocal_1 = var_1_16; VAL [isInitial=1, stepLocal_0=-4095, stepLocal_1=9935, var_1_10=-4095, var_1_11=-64, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=9935, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L85] EXPR var_1_11 | var_1_6 VAL [isInitial=1, stepLocal_0=-4095, stepLocal_1=9935, var_1_10=-4095, var_1_11=-64, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=9935, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L85] COND TRUE (var_1_14 + (var_1_11 | var_1_6)) > stepLocal_1 [L86] var_1_18 = (128 - (var_1_19 + var_1_20)) VAL [isInitial=1, stepLocal_0=-4095, stepLocal_1=9935, var_1_10=-4095, var_1_11=-64, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=9935, var_1_18=128, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) VAL [isInitial=1, var_1_10=-4095, var_1_11=-64, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=9935, var_1_18=128, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L130-L131] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_6 * var_1_9) >= var_1_10) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= var_1_1) ? (var_1_11 == ((signed long int) (var_1_9 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (var_1_9)) ? (-256) : (var_1_9))) + ((((var_1_12) < (((((var_1_13) > (256)) ? (var_1_13) : (256))))) ? (var_1_12) : (((((var_1_13) > (256)) ? (var_1_13) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_15)) : (var_1_14 == ((unsigned short int) var_1_16))) : 1)) && (var_1_2 ? ((var_1_1 == var_1_5) ? (((128 * ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) > 1) ? (var_1_17 == ((unsigned short int) var_1_16)) : 1) : (var_1_17 == ((unsigned short int) var_1_15))) : (var_1_17 == ((unsigned short int) var_1_16)))) && (((var_1_14 + (var_1_11 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-4095, var_1_11=-64, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=9935, var_1_18=128, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=-4095, var_1_11=-64, var_1_12=256, var_1_13=-1073741823, var_1_14=10000, var_1_15=0, var_1_16=9935, var_1_17=9935, var_1_18=128, var_1_19=0, var_1_1=2, var_1_20=0, var_1_2=0, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=-64, var_1_8=21/4, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 104 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 435 NumberOfCodeBlocks, 435 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1012/1012 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 [2023-11-29 06:22:30,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya --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 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:22:32,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:22:32,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:22:32,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:22:32,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:22:32,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:22:32,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:22:32,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:22:32,772 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:22:32,773 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:22:32,773 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:22:32,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:22:32,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:22:32,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:22:32,776 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:22:32,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:22:32,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:22:32,778 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:22:32,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:22:32,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:22:32,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:22:32,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:22:32,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:22:32,781 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:22:32,782 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:22:32,782 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:22:32,783 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:22:32,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:22:32,784 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:22:32,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:22:32,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:22:32,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:22:32,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:22:32,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:22:32,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:22:32,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:22:32,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:22:32,787 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:22:32,787 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:22:32,787 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:22:32,787 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:22:32,788 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:22:32,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:22:32,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:22:32,789 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:22:32,789 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_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 811e442ced91272f27290482f64220479ec828b108df11e4b6856fb1b291eb09 [2023-11-29 06:22:33,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:22:33,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:22:33,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:22:33,150 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:22:33,150 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:22:33,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2023-11-29 06:22:36,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:22:36,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:22:36,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i [2023-11-29 06:22:36,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/data/5459bc600/9039319488f34886b79b2725f46fdde6/FLAG3bcba242c [2023-11-29 06:22:36,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/data/5459bc600/9039319488f34886b79b2725f46fdde6 [2023-11-29 06:22:36,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:22:36,379 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:22:36,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:22:36,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:22:36,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:22:36,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59bab7ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36, skipping insertion in model container [2023-11-29 06:22:36,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,426 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:22:36,593 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_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2023-11-29 06:22:36,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:22:36,673 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:22:36,686 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_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-76.i[917,930] [2023-11-29 06:22:36,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:22:36,739 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:22:36,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36 WrapperNode [2023-11-29 06:22:36,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:22:36,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:22:36,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:22:36,741 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:22:36,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,794 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-29 06:22:36,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:22:36,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:22:36,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:22:36,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:22:36,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,831 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:22:36,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:22:36,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:22:36,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:22:36,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:22:36,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (1/1) ... [2023-11-29 06:22:36,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:22:36,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:22:36,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:22:36,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:22:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:22:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:22:36,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:22:36,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:22:36,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:22:36,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:22:37,053 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:22:37,055 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:22:50,228 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:22:50,290 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:22:50,291 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:22:50,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:50 BoogieIcfgContainer [2023-11-29 06:22:50,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:22:50,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:22:50,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:22:50,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:22:50,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:22:36" (1/3) ... [2023-11-29 06:22:50,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b4884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:22:50, skipping insertion in model container [2023-11-29 06:22:50,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:22:36" (2/3) ... [2023-11-29 06:22:50,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b4884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:22:50, skipping insertion in model container [2023-11-29 06:22:50,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:22:50" (3/3) ... [2023-11-29 06:22:50,302 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-76.i [2023-11-29 06:22:50,318 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:22:50,319 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:22:50,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:22:50,373 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;@46cb88f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:22:50,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:22:50,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 38 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:22:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 06:22:50,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:22:50,395 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:22:50,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:22:50,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:50,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1808784522, now seen corresponding path program 1 times [2023-11-29 06:22:50,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:22:50,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328318509] [2023-11-29 06:22:50,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:50,419 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 [2023-11-29 06:22:50,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:22:50,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:22:50,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:22:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:51,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:22:51,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:22:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2023-11-29 06:22:51,577 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:22:51,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:22:51,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328318509] [2023-11-29 06:22:51,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328318509] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:22:51,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:22:51,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:22:51,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651786280] [2023-11-29 06:22:51,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:22:51,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:22:51,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:22:51,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:22:51,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:22:51,626 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 38 states have internal predecessors, (54), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:22:56,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.98s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:22:56,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:22:56,668 INFO L93 Difference]: Finished difference Result 123 states and 221 transitions. [2023-11-29 06:22:56,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:22:56,919 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142 [2023-11-29 06:22:56,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:22:56,927 INFO L225 Difference]: With dead ends: 123 [2023-11-29 06:22:56,927 INFO L226 Difference]: Without dead ends: 61 [2023-11-29 06:22:56,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:22:56,935 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:22:56,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 06:22:56,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-29 06:22:56,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-29 06:22:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 36 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:22:56,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 95 transitions. [2023-11-29 06:22:56,995 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 95 transitions. Word has length 142 [2023-11-29 06:22:56,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:22:56,995 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 95 transitions. [2023-11-29 06:22:56,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-29 06:22:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 95 transitions. [2023-11-29 06:22:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 06:22:57,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:22:57,001 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:22:57,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:22:57,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:22:57,202 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:22:57,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:22:57,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1536811388, now seen corresponding path program 1 times [2023-11-29 06:22:57,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:22:57,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076497201] [2023-11-29 06:22:57,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:22:57,205 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 [2023-11-29 06:22:57,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:22:57,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:22:57,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:22:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:22:58,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 06:22:58,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:23:08,243 WARN L293 SmtUtils]: Spent 9.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:23:17,229 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:23:26,408 WARN L293 SmtUtils]: Spent 9.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:23:35,359 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:23:44,331 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:23:53,341 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:24:01,199 WARN L293 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:24:10,337 WARN L293 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:24:19,307 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:24:28,287 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:24:37,284 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:24:45,750 WARN L293 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:24:49,980 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse2 (not .cse3)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse3)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from false [2023-11-29 06:24:54,208 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse2 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse0 (let ((.cse1 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse1 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse1) .cse2)))) (and (not .cse0) (let ((.cse3 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse2 (not .cse3)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse3)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from true [2023-11-29 06:25:03,247 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:25:12,270 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:25:21,265 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:25:30,246 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:25:39,228 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:25:48,194 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:25:53,268 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:26:02,271 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:26:08,261 WARN L293 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:26:13,723 WARN L293 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:26:22,699 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:26:31,213 WARN L293 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:26:44,681 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:26:53,661 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:27:02,673 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:27:11,659 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:27:20,639 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:27:29,630 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:27:38,647 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:27:47,644 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:27:56,640 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:28:05,651 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:28:14,145 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:28:23,180 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:28:32,184 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:28:40,119 WARN L293 SmtUtils]: Spent 7.93s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:28:48,674 WARN L293 SmtUtils]: Spent 7.26s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:28:57,691 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:29:06,697 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:29:15,707 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:29:24,731 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:29:33,757 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:29:42,258 WARN L293 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:29:51,249 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:30:00,240 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:30:04,487 WARN L854 $PredicateComparison]: unable to prove that (and (not (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (= (bvadd (_ bv128 32) c_~var_1_11~0) ((_ sign_extend 24) c_~var_1_9~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and (= c_~var_1_5~0 c_~var_1_1~0) (not .cse0)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse0))) (fp.leq c_~var_1_4~0 c_~var_1_1~0) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from false [2023-11-29 06:30:08,732 WARN L876 $PredicateComparison]: unable to prove that (and (not (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (= (bvadd (_ bv128 32) c_~var_1_11~0) ((_ sign_extend 24) c_~var_1_9~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and (= c_~var_1_5~0 c_~var_1_1~0) (not .cse0)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse0))) (fp.leq c_~var_1_4~0 c_~var_1_1~0) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0)))) is different from true [2023-11-29 06:30:17,768 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:30:26,769 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:30:35,927 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification. DAG size of input: 7 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:30:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-29 06:30:35,929 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:30:35,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:30:35,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076497201] [2023-11-29 06:30:35,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076497201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:30:35,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:30:35,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:30:35,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012499661] [2023-11-29 06:30:35,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:30:35,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:30:35,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:30:35,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:30:35,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=3, Unknown=4, NotChecked=6, Total=20 [2023-11-29 06:30:35,933 INFO L87 Difference]: Start difference. First operand 61 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:30:41,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:46,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:51,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:30:55,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:01,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:06,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:10,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 06:31:10,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:31:10,306 INFO L93 Difference]: Finished difference Result 142 states and 222 transitions. [2023-11-29 06:31:10,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:31:10,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142 [2023-11-29 06:31:10,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:31:10,311 INFO L225 Difference]: With dead ends: 142 [2023-11-29 06:31:10,312 INFO L226 Difference]: Without dead ends: 82 [2023-11-29 06:31:10,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.3s TimeCoverageRelationStatistics Valid=7, Invalid=3, Unknown=4, NotChecked=6, Total=20 [2023-11-29 06:31:10,314 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 22 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 256 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:31:10,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 167 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 7 Unknown, 256 Unchecked, 34.3s Time] [2023-11-29 06:31:10,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-29 06:31:10,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 74. [2023-11-29 06:31:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-29 06:31:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 115 transitions. [2023-11-29 06:31:10,326 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 115 transitions. Word has length 142 [2023-11-29 06:31:10,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:31:10,328 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 115 transitions. [2023-11-29 06:31:10,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-29 06:31:10,328 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2023-11-29 06:31:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 06:31:10,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:31:10,331 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:31:10,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 06:31:10,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:31:10,532 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:31:10,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:31:10,532 INFO L85 PathProgramCache]: Analyzing trace with hash 727464762, now seen corresponding path program 1 times [2023-11-29 06:31:10,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:31:10,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611162339] [2023-11-29 06:31:10,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:31:10,533 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 [2023-11-29 06:31:10,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:31:10,534 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:31:10,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce4c4133-ab4c-48b2-be5f-d4d4fbc01bb3/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 06:31:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:31:11,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 06:31:11,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:31:30,751 WARN L293 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:31:39,762 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:31:48,836 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:31:58,035 WARN L293 SmtUtils]: Spent 9.20s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:07,083 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:16,120 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:25,115 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:34,181 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:43,199 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:50,664 WARN L293 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:32:59,759 WARN L293 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:33:08,842 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:33:20,856 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:33:29,589 WARN L293 SmtUtils]: Spent 8.73s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:33:38,076 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:33:47,143 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:33:51,387 WARN L854 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-29 06:33:55,629 WARN L876 $PredicateComparison]: unable to prove that (and (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-11-29 06:34:04,644 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:34:13,701 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:34:22,744 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:34:36,598 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:34:45,621 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:34:54,780 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:35:03,785 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:35:12,814 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:35:21,827 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:35:30,845 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:35:39,869 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:35:48,877 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:35:57,884 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:36:06,415 WARN L293 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:36:15,450 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:36:24,476 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:36:33,509 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:36:42,523 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:36:51,543 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:37:00,557 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:37:09,590 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:37:18,609 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:37:27,626 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 06:37:36,646 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)