./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx --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 8562120c4d964df300b4e0f96d7d546a5e259ab3adfcf7bea482bd3e6f1bd491 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:29,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:29,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:26:29,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:29,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:29,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:29,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:29,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:29,370 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:29,370 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:29,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:29,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:29,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:29,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:29,374 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:29,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:29,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:29,375 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:29,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:26:29,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:29,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:29,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:29,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:29,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:29,379 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:29,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:29,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:29,381 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:29,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:29,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:29,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:29,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:29,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:29,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:29,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:29,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:26:29,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:26:29,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:29,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:29,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:29,387 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:29,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:29,388 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_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8562120c4d964df300b4e0f96d7d546a5e259ab3adfcf7bea482bd3e6f1bd491 [2023-11-21 22:26:29,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:29,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:29,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:29,727 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:29,727 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:29,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i [2023-11-21 22:26:33,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:33,387 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:33,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i [2023-11-21 22:26:33,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/data/68db71843/83817b3b3c6549059b71b6dfcb3858b1/FLAG72fa1a2a3 [2023-11-21 22:26:33,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/data/68db71843/83817b3b3c6549059b71b6dfcb3858b1 [2023-11-21 22:26:33,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:33,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:33,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:33,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:33,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:33,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12430718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33, skipping insertion in model container [2023-11-21 22:26:33,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,481 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:33,682 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_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i[913,926] [2023-11-21 22:26:33,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:33,766 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:33,776 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_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i[913,926] [2023-11-21 22:26:33,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:33,828 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:33,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33 WrapperNode [2023-11-21 22:26:33,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:33,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:33,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:33,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:33,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,927 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2023-11-21 22:26:33,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:33,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:33,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:33,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:33,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,946 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,972 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:26:33,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:33,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:34,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:26:34,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:26:34,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:26:34,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:26:34,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (1/1) ... [2023-11-21 22:26:34,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:34,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:26:34,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:26:34,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:26:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:26:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:26:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:26:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:26:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:26:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:26:34,275 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:26:34,278 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:26:34,731 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:26:35,119 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:26:35,119 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:26:35,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:35 BoogieIcfgContainer [2023-11-21 22:26:35,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:26:35,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:26:35,128 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:26:35,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:26:35,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:26:33" (1/3) ... [2023-11-21 22:26:35,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bca1746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:35, skipping insertion in model container [2023-11-21 22:26:35,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:33" (2/3) ... [2023-11-21 22:26:35,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bca1746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:35, skipping insertion in model container [2023-11-21 22:26:35,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:35" (3/3) ... [2023-11-21 22:26:35,138 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-20.i [2023-11-21 22:26:35,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:26:35,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:26:35,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:26:35,229 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;@55a2f1d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:26:35,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:26:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:26:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 22:26:35,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:26:35,248 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:26:35,249 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:26:35,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:26:35,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1385477407, now seen corresponding path program 1 times [2023-11-21 22:26:35,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:26:35,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359543008] [2023-11-21 22:26:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:26:35,580 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:26:35,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915910115] [2023-11-21 22:26:35,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:35,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:26:35,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:26:35,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:26:35,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:26:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:26:36,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:26:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:26:36,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:26:36,349 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:26:36,351 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:26:36,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:26:36,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:26:36,566 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:26:36,571 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:26:36,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:26:36 BoogieIcfgContainer [2023-11-21 22:26:36,678 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:26:36,679 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:26:36,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:26:36,679 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:26:36,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:35" (3/4) ... [2023-11-21 22:26:36,683 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:26:36,685 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:26:36,687 INFO L158 Benchmark]: Toolchain (without parser) took 3254.65ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 86.8MB in the end (delta: 42.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-21 22:26:36,688 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:36,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.17ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 115.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:26:36,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.65ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 111.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:36,691 INFO L158 Benchmark]: Boogie Preprocessor took 76.92ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 106.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:26:36,692 INFO L158 Benchmark]: RCFGBuilder took 1115.44ms. Allocated memory is still 161.5MB. Free memory was 106.1MB in the beginning and 126.6MB in the end (delta: -20.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-21 22:26:36,692 INFO L158 Benchmark]: TraceAbstraction took 1550.40ms. Allocated memory is still 161.5MB. Free memory was 125.5MB in the beginning and 86.8MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 22:26:36,693 INFO L158 Benchmark]: Witness Printer took 6.75ms. Allocated memory is still 161.5MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:36,703 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.17ms. Allocated memory is still 161.5MB. Free memory was 129.1MB in the beginning and 115.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.65ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 111.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.92ms. Allocated memory is still 161.5MB. Free memory was 111.8MB in the beginning and 106.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1115.44ms. Allocated memory is still 161.5MB. Free memory was 106.1MB in the beginning and 126.6MB in the end (delta: -20.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1550.40ms. Allocated memory is still 161.5MB. Free memory was 125.5MB in the beginning and 86.8MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 6.75ms. Allocated memory is still 161.5MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of shiftLeft at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 116, overapproximation of someBinaryArithmeticFLOAToperation at line 59. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] signed long int var_1_7 = 128; [L29] unsigned short int var_1_8 = 100; [L30] float var_1_9 = 255.75; [L31] signed char var_1_10 = 64; [L32] signed char var_1_11 = 32; [L33] signed char var_1_12 = 4; [L34] float var_1_13 = 0.0; [L35] float var_1_14 = 7.25; [L36] float var_1_15 = 8.125; [L37] float var_1_16 = 24.5; [L38] signed short int var_1_17 = -256; [L39] double var_1_18 = 31.5; [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] FCALL updateLastVariables() [L124] CALL updateVariables() [L82] var_1_2 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L84] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=128, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L85] var_1_3 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L87] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=2, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L88] var_1_4 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L90] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=2, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L91] var_1_5 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L93] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=128, var_1_8=100, var_1_9=1023/4] [L94] var_1_7 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L96] CALL assume_abort_if_not(var_1_7 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_7 <= 1073741823) VAL [isInitial=1, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L97] var_1_10 = __VERIFIER_nondet_char() [L98] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L99] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L100] var_1_11 = __VERIFIER_nondet_char() [L101] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L102] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=1, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L103] var_1_12 = __VERIFIER_nondet_char() [L104] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L105] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L106] var_1_13 = __VERIFIER_nondet_float() [L107] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L108] var_1_14 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L110] var_1_16 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=65/8, var_1_16=4, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=3, var_1_15=65/8, var_1_16=4, var_1_17=-256, var_1_18=63/2, var_1_1=5, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=32, var_1_7=61, var_1_8=100, var_1_9=1023/4] [L124] RET updateVariables() [L125] CALL step() [L43] COND FALSE !(\read(var_1_2)) [L46] var_1_1 = (var_1_4 + var_1_5) [L48] COND TRUE (64 + (var_1_5 / var_1_3)) != (var_1_1 - (var_1_4 + var_1_7)) [L49] var_1_6 = var_1_4 [L53] COND TRUE (var_1_6 + var_1_1) >= (var_1_3 - var_1_5) [L54] var_1_8 = ((((var_1_1) > (var_1_3)) ? (var_1_1) : (var_1_3))) [L58] COND TRUE ((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5 [L59] var_1_9 = (64.8f - (var_1_13 - var_1_14)) [L63] var_1_15 = (var_1_14 + var_1_16) [L64] COND FALSE !(\read(var_1_2)) [L67] COND TRUE var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13)))) [L68] var_1_17 = var_1_4 [L73] COND FALSE !((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) [L78] var_1_18 = var_1_16 [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (var_1_1 - (var_1_4 + var_1_7))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_6 + var_1_1) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_1) > (var_1_3)) ? (var_1_1) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_1)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L116] EXPR ((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16)) [L116] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (var_1_1 - (var_1_4 + var_1_7))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_6 + var_1_1) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_1) > (var_1_3)) ? (var_1_1) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_1)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L116-L117] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (var_1_1 - (var_1_4 + var_1_7))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_6 + var_1_1) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_1) > (var_1_3)) ? (var_1_1) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_1)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=3, var_1_16=4, var_1_17=0, var_1_18=4, var_1_1=127, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=0, var_1_7=61, var_1_8=127, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=1, var_1_12=0, var_1_13=2, var_1_14=3, var_1_16=4, var_1_17=0, var_1_18=4, var_1_1=127, var_1_2=0, var_1_3=127, var_1_4=0, var_1_5=127, var_1_6=0, var_1_7=61, var_1_8=127, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 19, 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=39occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 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 [2023-11-21 22:26:36,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/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_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx --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 8562120c4d964df300b4e0f96d7d546a5e259ab3adfcf7bea482bd3e6f1bd491 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:39,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:40,025 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:26:40,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:40,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:40,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:40,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:40,080 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:40,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:40,081 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:40,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:40,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:40,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:40,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:40,089 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:40,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:40,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:40,091 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:40,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:40,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:40,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:40,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:40,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:40,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:26:40,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:26:40,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:26:40,095 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:40,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:40,096 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:40,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:40,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:40,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:40,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:40,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:40,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:40,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:40,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:40,102 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:26:40,102 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:26:40,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:40,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:40,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:40,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:40,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:40,104 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:26:40,105 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_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8562120c4d964df300b4e0f96d7d546a5e259ab3adfcf7bea482bd3e6f1bd491 [2023-11-21 22:26:40,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:40,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:40,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:40,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:40,605 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:40,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i [2023-11-21 22:26:44,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:44,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:44,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i [2023-11-21 22:26:44,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/data/cc6333062/4111cea39969439d9beb40ab28d3d14f/FLAG17d0c32ee [2023-11-21 22:26:44,444 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/data/cc6333062/4111cea39969439d9beb40ab28d3d14f [2023-11-21 22:26:44,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:44,450 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:44,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:44,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:44,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:44,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a9a1df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44, skipping insertion in model container [2023-11-21 22:26:44,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,523 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:44,700 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_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i[913,926] [2023-11-21 22:26:44,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:44,772 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:44,786 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_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-20.i[913,926] [2023-11-21 22:26:44,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:44,836 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:44,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44 WrapperNode [2023-11-21 22:26:44,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:44,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:44,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:44,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:44,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,906 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-21 22:26:44,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:44,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:44,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:44,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:44,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,926 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,939 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:26:44,940 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,940 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:44,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:26:44,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:26:44,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:26:44,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:26:44,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (1/1) ... [2023-11-21 22:26:45,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:45,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:26:45,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:26:45,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:26:45,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:26:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:26:45,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:26:45,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:26:45,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:26:45,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:26:45,260 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:26:45,263 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:26:49,093 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:26:49,269 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:26:49,270 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:26:49,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:49 BoogieIcfgContainer [2023-11-21 22:26:49,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:26:49,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:26:49,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:26:49,281 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:26:49,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:26:44" (1/3) ... [2023-11-21 22:26:49,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c626f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:49, skipping insertion in model container [2023-11-21 22:26:49,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:44" (2/3) ... [2023-11-21 22:26:49,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c626f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:49, skipping insertion in model container [2023-11-21 22:26:49,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:49" (3/3) ... [2023-11-21 22:26:49,289 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-20.i [2023-11-21 22:26:49,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:26:49,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:26:49,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:26:49,385 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;@53490590, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:26:49,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:26:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-21 22:26:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 22:26:49,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:26:49,410 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:26:49,410 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:26:49,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:26:49,421 INFO L85 PathProgramCache]: Analyzing trace with hash -418459444, now seen corresponding path program 1 times [2023-11-21 22:26:49,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:26:49,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335266146] [2023-11-21 22:26:49,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:49,439 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 [2023-11-21 22:26:49,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:26:49,441 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:26:49,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cd1091c-f3cf-4e40-9bf9-fd1ef5b19293/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:26:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:26:50,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 22:26:50,464 INFO L285 TraceCheckSpWp]: Computing forward predicates...