./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:31:37,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:31:37,286 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 22:31:37,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:31:37,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:31:37,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:31:37,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:31:37,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:31:37,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:31:37,320 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:31:37,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:31:37,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:31:37,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:31:37,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:31:37,324 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:31:37,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:31:37,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:31:37,326 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:31:37,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:31:37,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:31:37,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:31:37,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:31:37,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:31:37,330 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:31:37,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:31:37,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:31:37,332 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:31:37,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:31:37,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:31:37,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:31:37,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:31:37,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:31:37,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:31:37,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:31:37,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:31:37,336 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:31:37,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:31:37,337 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:31:37,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:31:37,338 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:31:37,338 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:31:37,339 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:31:37,339 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_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e [2023-11-23 22:31:37,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:31:37,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:31:37,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:31:37,665 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:31:37,665 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:31:37,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-23 22:31:40,920 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:31:41,123 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:31:41,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-23 22:31:41,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/data/d9277506a/8860a1fed8ba4609a8a8a124d7f6ae20/FLAGbd81656b3 [2023-11-23 22:31:41,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/data/d9277506a/8860a1fed8ba4609a8a8a124d7f6ae20 [2023-11-23 22:31:41,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:31:41,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:31:41,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:31:41,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:31:41,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:31:41,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbf1d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41, skipping insertion in model container [2023-11-23 22:31:41,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,228 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:31:41,419 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_a21f1c66-da24-4ce7-b763-f4655cedaca3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-11-23 22:31:41,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:31:41,528 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:31:41,539 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_a21f1c66-da24-4ce7-b763-f4655cedaca3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-11-23 22:31:41,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:31:41,581 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:31:41,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41 WrapperNode [2023-11-23 22:31:41,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:31:41,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:31:41,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:31:41,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:31:41,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,657 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-11-23 22:31:41,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:31:41,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:31:41,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:31:41,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:31:41,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,694 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,708 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:31:41,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:31:41,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:31:41,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:31:41,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:31:41,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (1/1) ... [2023-11-23 22:31:41,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:31:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:31:41,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:31:41,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:31:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:31:41,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:31:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:31:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:31:41,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:31:41,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:31:41,985 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:31:41,990 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:31:42,291 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:31:42,362 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:31:42,362 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:31:42,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:31:42 BoogieIcfgContainer [2023-11-23 22:31:42,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:31:42,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:31:42,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:31:42,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:31:42,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:31:41" (1/3) ... [2023-11-23 22:31:42,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5242ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:31:42, skipping insertion in model container [2023-11-23 22:31:42,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:41" (2/3) ... [2023-11-23 22:31:42,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b5242ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:31:42, skipping insertion in model container [2023-11-23 22:31:42,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:31:42" (3/3) ... [2023-11-23 22:31:42,395 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-23 22:31:42,420 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:31:42,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:31:42,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:31:42,509 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;@5a332ecf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:31:42,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:31:42,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 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) [2023-11-23 22:31:42,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 22:31:42,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:31:42,542 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] [2023-11-23 22:31:42,543 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:31:42,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:31:42,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1047730524, now seen corresponding path program 1 times [2023-11-23 22:31:42,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:31:42,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090880580] [2023-11-23 22:31:42,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:42,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:31:42,740 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 22:31:42,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [467713410] [2023-11-23 22:31:42,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:42,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:31:42,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:31:42,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:31:42,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 22:31:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:31:43,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:31:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:31:43,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:31:43,343 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 22:31:43,344 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 22:31:43,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 22:31:43,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:31:43,557 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 22:31:43,560 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:31:43,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:31:43 BoogieIcfgContainer [2023-11-23 22:31:43,700 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:31:43,701 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:31:43,701 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:31:43,701 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:31:43,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:31:42" (3/4) ... [2023-11-23 22:31:43,703 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:31:43,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:31:43,706 INFO L158 Benchmark]: Toolchain (without parser) took 2537.96ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 93.7MB in the beginning and 101.6MB in the end (delta: -7.9MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2023-11-23 22:31:43,706 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:31:43,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.29ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 80.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 22:31:43,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.18ms. Allocated memory is still 134.2MB. Free memory was 80.5MB in the beginning and 77.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:31:43,708 INFO L158 Benchmark]: Boogie Preprocessor took 103.80ms. Allocated memory is still 134.2MB. Free memory was 77.8MB in the beginning and 74.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:31:43,709 INFO L158 Benchmark]: RCFGBuilder took 599.92ms. Allocated memory is still 134.2MB. Free memory was 74.5MB in the beginning and 55.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 22:31:43,710 INFO L158 Benchmark]: TraceAbstraction took 1312.04ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 105.1MB in the beginning and 101.6MB in the end (delta: 3.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2023-11-23 22:31:43,710 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 172.0MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:31:43,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.29ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 80.5MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.18ms. Allocated memory is still 134.2MB. Free memory was 80.5MB in the beginning and 77.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.80ms. Allocated memory is still 134.2MB. Free memory was 77.8MB in the beginning and 74.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 599.92ms. Allocated memory is still 134.2MB. Free memory was 74.5MB in the beginning and 55.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1312.04ms. Allocated memory was 134.2MB in the beginning and 172.0MB in the end (delta: 37.7MB). Free memory was 105.1MB in the beginning and 101.6MB in the end (delta: 3.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 172.0MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 256; [L23] signed long int var_1_8 = 128; [L24] signed short int var_1_9 = -1; [L25] signed short int var_1_10 = 1; [L26] signed char var_1_12 = 0; [L27] unsigned char var_1_13 = 1; [L28] signed char var_1_14 = 2; [L29] signed long int var_1_15 = 1; [L30] signed long int var_1_16 = 25; [L31] signed long int var_1_17 = 5; [L32] signed long int var_1_18 = 4; [L33] signed long int var_1_19 = 500; [L34] signed long int var_1_20 = 127; [L35] signed long int var_1_21 = 1; [L36] signed long int var_1_22 = 99; [L37] unsigned short int var_1_23 = 4; [L38] signed char var_1_24 = -64; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L62] var_1_8 = __VERIFIER_nondet_long() [L63] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L63] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L64] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L64] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L65] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L65] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L66] var_1_9 = __VERIFIER_nondet_short() [L67] CALL assume_abort_if_not(var_1_9 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L67] RET assume_abort_if_not(var_1_9 >= -1) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L68] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L68] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L69] var_1_10 = __VERIFIER_nondet_short() [L70] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L70] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L71] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L71] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=1, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L72] var_1_13 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L73] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L74] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L74] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=2, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L75] var_1_14 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L76] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L77] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L77] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=25, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L78] var_1_16 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_16 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L79] RET assume_abort_if_not(var_1_16 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L80] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L80] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=5, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L81] var_1_17 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_17 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L82] RET assume_abort_if_not(var_1_17 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L83] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L83] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=4, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L84] var_1_18 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_18 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L85] RET assume_abort_if_not(var_1_18 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L86] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L86] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=500, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L87] var_1_19 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L88] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L89] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L89] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=127, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L90] var_1_20 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L91] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L92] CALL assume_abort_if_not(var_1_20 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L92] RET assume_abort_if_not(var_1_20 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L93] var_1_21 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L94] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L95] CALL assume_abort_if_not(var_1_21 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L95] RET assume_abort_if_not(var_1_21 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=99, var_1_23=4, var_1_24=-64, var_1_8=2, var_1_9=-1] [L108] RET updateVariables() [L109] CALL step() [L42] var_1_22 = var_1_19 [L43] var_1_23 = var_1_10 [L44] var_1_24 = var_1_14 [L45] unsigned char stepLocal_0 = var_1_23 <= var_1_24; VAL [isInitial=1, stepLocal_0=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=-2147483648, var_1_23=0, var_1_24=1, var_1_8=2, var_1_9=-1] [L46] COND TRUE var_1_13 || stepLocal_0 [L47] var_1_12 = ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))) VAL [isInitial=1, stepLocal_0=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=-2147483648, var_1_23=0, var_1_24=1, var_1_8=2, var_1_9=-1] [L51] signed short int stepLocal_1 = var_1_10; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=-2147483648, var_1_23=0, var_1_24=1, var_1_8=2, var_1_9=-1] [L52] COND TRUE stepLocal_1 <= (var_1_23 / var_1_8) [L53] var_1_15 = ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=256, var_1_20=0, var_1_21=1, var_1_22=-2147483648, var_1_23=0, var_1_24=1, var_1_8=2, var_1_9=-1] [L57] COND TRUE (((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8)))) [L58] var_1_1 = (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=-1, var_1_20=0, var_1_21=1, var_1_22=-2147483648, var_1_23=0, var_1_24=1, var_1_8=2, var_1_9=-1] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((((((((var_1_23 - var_1_23)) > (var_1_12)) ? ((var_1_23 - var_1_23)) : (var_1_12))) <= (((((var_1_23 - var_1_23)) < ((var_1_24 % var_1_8))) ? ((var_1_23 - var_1_23)) : ((var_1_24 % var_1_8))))) ? (var_1_1 == ((signed short int) (((((var_1_9 - var_1_10)) < (var_1_12)) ? ((var_1_9 - var_1_10)) : (var_1_12))))) : 1) && ((var_1_13 || (var_1_23 <= var_1_24)) ? (var_1_12 == ((signed char) ((((1 - var_1_14) < 0 ) ? -(1 - var_1_14) : (1 - var_1_14))))) : (var_1_12 == ((signed char) var_1_14)))) && ((var_1_10 <= (var_1_23 / var_1_8)) ? (var_1_15 == ((signed long int) ((((((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) < (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19))))) ? (((((((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) > (var_1_18)) ? (((((var_1_16) < (var_1_17)) ? (var_1_16) : (var_1_17)))) : (var_1_18)))) : (((((3.6) > (var_1_19)) ? (3.6) : (var_1_19)))))))) : (var_1_15 == ((signed long int) (var_1_20 - var_1_21))))) && (var_1_22 == ((signed long int) var_1_19))) && (var_1_23 == ((unsigned short int) var_1_10))) && (var_1_24 == ((signed char) var_1_14)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=-1, var_1_20=0, var_1_21=1, var_1_22=-2147483648, var_1_23=0, var_1_24=1, var_1_8=2, var_1_9=-1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=-2147483648, var_1_17=-2147483648, var_1_18=-2147483648, var_1_19=-2147483648, var_1_1=-1, var_1_20=0, var_1_21=1, var_1_22=-2147483648, var_1_23=0, var_1_24=1, var_1_8=2, var_1_9=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 22:31:43,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:31:46,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:31:46,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 22:31:46,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:31:46,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:31:46,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:31:46,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:31:46,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:31:46,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:31:46,714 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:31:46,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:31:46,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:31:46,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:31:46,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:31:46,719 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:31:46,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:31:46,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:31:46,721 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:31:46,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:31:46,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:31:46,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:31:46,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:31:46,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:31:46,725 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 22:31:46,726 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 22:31:46,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 22:31:46,727 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:31:46,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:31:46,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:31:46,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:31:46,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:31:46,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:31:46,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:31:46,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:31:46,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:31:46,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:31:46,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:31:46,734 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 22:31:46,734 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 22:31:46,734 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:31:46,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:31:46,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:31:46,736 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:31:46,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:31:46,736 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 22:31:46,737 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_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c896693c438af11e7c01d30f7473a54a40cafeb18d2112f14241957160c46b8e [2023-11-23 22:31:47,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:31:47,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:31:47,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:31:47,199 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:31:47,200 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:31:47,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-23 22:31:50,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:31:50,778 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:31:50,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-23 22:31:50,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/data/daa26817a/25b44ca5e62b463192f822c2c407793c/FLAG9e54597ca [2023-11-23 22:31:50,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/data/daa26817a/25b44ca5e62b463192f822c2c407793c [2023-11-23 22:31:50,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:31:50,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:31:50,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:31:50,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:31:50,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:31:50,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:31:50" (1/1) ... [2023-11-23 22:31:50,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d456146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:50, skipping insertion in model container [2023-11-23 22:31:50,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:31:50" (1/1) ... [2023-11-23 22:31:50,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:31:51,029 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_a21f1c66-da24-4ce7-b763-f4655cedaca3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-11-23 22:31:51,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:31:51,133 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:31:51,156 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_a21f1c66-da24-4ce7-b763-f4655cedaca3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-80.i[916,929] [2023-11-23 22:31:51,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:31:51,242 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:31:51,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51 WrapperNode [2023-11-23 22:31:51,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:31:51,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:31:51,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:31:51,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:31:51,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,340 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-23 22:31:51,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:31:51,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:31:51,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:31:51,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:31:51,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,361 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,384 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:31:51,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,415 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:31:51,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:31:51,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:31:51,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:31:51,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (1/1) ... [2023-11-23 22:31:51,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:31:51,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:31:51,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:31:51,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:31:51,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:31:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 22:31:51,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:31:51,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:31:51,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:31:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:31:51,660 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:31:51,662 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:31:55,878 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:31:55,961 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:31:55,962 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:31:55,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:31:55 BoogieIcfgContainer [2023-11-23 22:31:55,963 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:31:55,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:31:55,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:31:55,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:31:55,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:31:50" (1/3) ... [2023-11-23 22:31:55,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423e9b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:31:55, skipping insertion in model container [2023-11-23 22:31:55,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:31:51" (2/3) ... [2023-11-23 22:31:55,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423e9b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:31:55, skipping insertion in model container [2023-11-23 22:31:55,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:31:55" (3/3) ... [2023-11-23 22:31:55,973 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-80.i [2023-11-23 22:31:55,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:31:55,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:31:56,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:31:56,051 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;@5c93b484, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:31:56,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:31:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 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) [2023-11-23 22:31:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-23 22:31:56,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:31:56,073 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] [2023-11-23 22:31:56,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:31:56,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:31:56,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1047730524, now seen corresponding path program 1 times [2023-11-23 22:31:56,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:31:56,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1932210824] [2023-11-23 22:31:56,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:56,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 22:31:56,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:31:56,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 22:31:56,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 22:31:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:31:56,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:31:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:31:56,673 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-23 22:31:56,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [2049064242] [2023-11-23 22:31:56,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:31:56,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 22:31:56,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/cvc4 [2023-11-23 22:31:56,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 22:31:56,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a21f1c66-da24-4ce7-b763-f4655cedaca3/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 22:31:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:31:57,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 22:31:57,515 INFO L285 TraceCheckSpWp]: Computing forward predicates...