./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU --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 0c9ac74b48c7165afb9f2b624d9d9a4575a37c69f2655e95ac9683bba5876265 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:09,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:09,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:12:09,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:09,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:10,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:10,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:10,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:10,004 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:10,005 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:10,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:10,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:10,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:10,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:10,010 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:10,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:10,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:10,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:12:10,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:10,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:12:10,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:10,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:10,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:10,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:10,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:10,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:12:10,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:10,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:10,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:10,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:10,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:10,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:10,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:10,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:10,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:10,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:10,020 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:10,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:10,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:10,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:10,022 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:10,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:10,023 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_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c9ac74b48c7165afb9f2b624d9d9a4575a37c69f2655e95ac9683bba5876265 [2024-10-31 22:12:10,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:10,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:10,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:10,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:10,339 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:10,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i Unable to find full path for "g++" [2024-10-31 22:12:12,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:12,731 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:12,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i [2024-10-31 22:12:12,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/data/acbc02e23/a04012934f424700b898ca63651cb892/FLAG808170ea8 [2024-10-31 22:12:13,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/data/acbc02e23/a04012934f424700b898ca63651cb892 [2024-10-31 22:12:13,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:13,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:13,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:13,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:13,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:13,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32b96e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13, skipping insertion in model container [2024-10-31 22:12:13,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:13,450 WARN L251 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_3c37ea58-7cba-47f6-ba09-d99a5ab26611/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i[915,928] [2024-10-31 22:12:13,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:13,506 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:13,516 WARN L251 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_3c37ea58-7cba-47f6-ba09-d99a5ab26611/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i[915,928] [2024-10-31 22:12:13,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:13,568 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:13,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13 WrapperNode [2024-10-31 22:12:13,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:13,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:13,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:13,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:13,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,625 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2024-10-31 22:12:13,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:13,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:13,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:13,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:13,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,664 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:12:13,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:13,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:13,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:13,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:13,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (1/1) ... [2024-10-31 22:12:13,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:13,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:13,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:13,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:13,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:13,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:12:13,842 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:12:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:12:13,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:13,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:13,953 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:13,958 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:14,272 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:14,272 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:14,292 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:14,293 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:12:14,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:14 BoogieIcfgContainer [2024-10-31 22:12:14,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:14,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:14,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:14,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:14,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:13" (1/3) ... [2024-10-31 22:12:14,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6aea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:14, skipping insertion in model container [2024-10-31 22:12:14,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:13" (2/3) ... [2024-10-31 22:12:14,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6aea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:14, skipping insertion in model container [2024-10-31 22:12:14,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:14" (3/3) ... [2024-10-31 22:12:14,307 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-30.i [2024-10-31 22:12:14,334 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:14,334 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:12:14,484 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:14,496 INFO L333 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, 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;@1989a9be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:14,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:12:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:12:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 22:12:14,525 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:14,526 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:14,532 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:12:14,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:14,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1224453743, now seen corresponding path program 1 times [2024-10-31 22:12:14,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:14,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91626284] [2024-10-31 22:12:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:14,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:12:14,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394014913] [2024-10-31 22:12:14,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:14,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:14,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:14,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:12:14,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:12:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:15,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:12:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:12:15,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:12:15,308 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:12:15,311 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:12:15,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:12:15,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:12:15,518 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-31 22:12:15,617 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:12:15,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:12:15 BoogieIcfgContainer [2024-10-31 22:12:15,620 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:12:15,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:12:15,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:12:15,623 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:12:15,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:14" (3/4) ... [2024-10-31 22:12:15,627 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:12:15,628 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:12:15,630 INFO L158 Benchmark]: Toolchain (without parser) took 2528.98ms. Allocated memory is still 159.4MB. Free memory was 113.4MB in the beginning and 100.8MB in the end (delta: 12.6MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-10-31 22:12:15,630 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:15,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.14ms. Allocated memory is still 159.4MB. Free memory was 113.1MB in the beginning and 99.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:12:15,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.15ms. Allocated memory is still 159.4MB. Free memory was 99.3MB in the beginning and 97.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:15,632 INFO L158 Benchmark]: Boogie Preprocessor took 63.47ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 93.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:12:15,632 INFO L158 Benchmark]: RCFGBuilder took 599.81ms. Allocated memory is still 159.4MB. Free memory was 93.8MB in the beginning and 78.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:12:15,634 INFO L158 Benchmark]: TraceAbstraction took 1324.47ms. Allocated memory is still 159.4MB. Free memory was 77.8MB in the beginning and 101.6MB in the end (delta: -23.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:12:15,634 INFO L158 Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 159.4MB. Free memory was 101.6MB in the beginning and 100.8MB in the end (delta: 744.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:12:15,643 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 111.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.14ms. Allocated memory is still 159.4MB. Free memory was 113.1MB in the beginning and 99.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.15ms. Allocated memory is still 159.4MB. Free memory was 99.3MB in the beginning and 97.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.47ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 93.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 599.81ms. Allocated memory is still 159.4MB. Free memory was 93.8MB in the beginning and 78.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1324.47ms. Allocated memory is still 159.4MB. Free memory was 77.8MB in the beginning and 101.6MB in the end (delta: -23.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.69ms. Allocated memory is still 159.4MB. Free memory was 101.6MB in the beginning and 100.8MB in the end (delta: 744.1kB). Peak memory consumption was 2.1MB. 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 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 64; [L23] unsigned char var_1_2 = 0; [L24] signed short int var_1_5 = 8; [L25] signed short int var_1_6 = -32; [L26] unsigned char var_1_7 = 100; [L27] signed long int var_1_8 = 32; [L28] float var_1_10 = 255.3; [L29] float var_1_13 = 2.8; [L30] signed long int last_1_var_1_8 = 32; VAL [isInitial=0, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L86] isInitial = 1 [L87] FCALL initially() [L88] int k_loop; [L89] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L89] COND TRUE k_loop < 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L90] RET updateLastVariables() [L91] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L62] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L63] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L63] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=8, var_1_6=-32, var_1_7=100, var_1_8=32] [L64] var_1_5 = __VERIFIER_nondet_short() [L65] CALL assume_abort_if_not(var_1_5 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L65] RET assume_abort_if_not(var_1_5 >= -32768) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L66] CALL assume_abort_if_not(var_1_5 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L66] RET assume_abort_if_not(var_1_5 <= 32767) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L67] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L67] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-32, var_1_7=100, var_1_8=32] [L68] var_1_6 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_6 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L69] RET assume_abort_if_not(var_1_6 >= -32768) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L70] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L70] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L71] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L71] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=100, var_1_8=32] [L72] var_1_7 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_8=32] [L73] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_8=32] [L74] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=32] [L74] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_13=14/5, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=32] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=32] [L76] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2553/10, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=32] [L91] RET updateVariables() [L92] CALL step() [L34] signed long int stepLocal_0 = (last_1_var_1_8 / var_1_5) % var_1_6; VAL [isInitial=1, last_1_var_1_8=32, stepLocal_0=32, var_1_10=2553/10, var_1_1=64, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=32] [L35] COND FALSE !(\read(var_1_2)) [L40] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_8=32, stepLocal_0=32, var_1_10=2553/10, var_1_1=-223, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=32] [L42] unsigned char stepLocal_1 = var_1_1; VAL [isInitial=1, last_1_var_1_8=32, stepLocal_0=32, stepLocal_1=-223, var_1_10=2553/10, var_1_1=-223, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=32] [L43] COND FALSE !(stepLocal_1 < var_1_5) [L46] var_1_8 = var_1_7 VAL [isInitial=1, last_1_var_1_8=32, stepLocal_0=32, var_1_10=2553/10, var_1_1=-223, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=33] [L48] COND TRUE ((var_1_6 * var_1_8) * var_1_7) <= (var_1_8 - var_1_1) VAL [isInitial=1, last_1_var_1_8=32, stepLocal_0=32, var_1_10=2553/10, var_1_1=-223, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=33] [L49] COND TRUE var_1_5 <= (var_1_8 + var_1_8) [L50] var_1_10 = var_1_13 VAL [isInitial=1, last_1_var_1_8=32, stepLocal_0=32, var_1_10=2, var_1_13=2, var_1_1=-223, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=33] [L92] RET step() [L93] CALL, EXPR property() [L82-L83] return ((var_1_2 ? ((last_1_var_1_8 > ((last_1_var_1_8 / var_1_5) % var_1_6)) ? (var_1_1 == ((unsigned char) var_1_7)) : 1) : (var_1_1 == ((unsigned char) var_1_7))) && ((var_1_1 < var_1_5) ? (var_1_8 == ((signed long int) (var_1_1 - ((((var_1_7) < (var_1_1)) ? (var_1_7) : (var_1_1)))))) : (var_1_8 == ((signed long int) var_1_7)))) && ((((var_1_6 * var_1_8) * var_1_7) <= (var_1_8 - var_1_1)) ? ((var_1_5 <= (var_1_8 + var_1_8)) ? (var_1_10 == ((float) var_1_13)) : 1) : ((var_1_1 >= var_1_1) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_13)))) ; VAL [\result=0, isInitial=1, last_1_var_1_8=32, var_1_10=2, var_1_13=2, var_1_1=-223, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=33] [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2, var_1_13=2, var_1_1=-223, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=33] [L19] reach_error() VAL [isInitial=1, last_1_var_1_8=32, var_1_10=2, var_1_13=2, var_1_1=-223, var_1_2=0, var_1_5=1, var_1_6=-33, var_1_7=-223, var_1_8=33] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 11, 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=43occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 2 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 [2024-10-31 22:12:15,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU --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 0c9ac74b48c7165afb9f2b624d9d9a4575a37c69f2655e95ac9683bba5876265 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:18,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:18,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:12:18,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:18,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:18,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:18,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:18,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:18,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:18,360 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:18,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:18,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:18,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:18,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:18,365 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:18,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:18,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:18,367 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:12:18,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:12:18,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:18,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:18,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:18,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:18,373 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:12:18,374 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:12:18,374 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:18,375 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:12:18,375 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:12:18,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:18,376 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:18,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:18,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:18,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:18,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:18,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:18,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:18,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:18,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:18,382 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:12:18,382 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:12:18,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:18,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:18,383 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:18,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:18,384 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:12:18,385 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_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c9ac74b48c7165afb9f2b624d9d9a4575a37c69f2655e95ac9683bba5876265 [2024-10-31 22:12:18,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:18,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:18,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:18,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:18,863 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:18,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i Unable to find full path for "g++" [2024-10-31 22:12:21,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:21,482 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:21,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i [2024-10-31 22:12:21,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/data/352198dd6/0e26933f8895464e9c50635b1a0d7e14/FLAG8c72670d4 [2024-10-31 22:12:21,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/data/352198dd6/0e26933f8895464e9c50635b1a0d7e14 [2024-10-31 22:12:21,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:21,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:21,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:21,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:21,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:21,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfee964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:21, skipping insertion in model container [2024-10-31 22:12:21,561 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:21" (1/1) ... [2024-10-31 22:12:21,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:21,947 WARN L251 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_3c37ea58-7cba-47f6-ba09-d99a5ab26611/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i[915,928] [2024-10-31 22:12:21,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:22,011 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:22,026 WARN L251 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_3c37ea58-7cba-47f6-ba09-d99a5ab26611/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-30.i[915,928] [2024-10-31 22:12:22,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:22,068 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:22,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22 WrapperNode [2024-10-31 22:12:22,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:22,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:22,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:22,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:22,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,134 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-10-31 22:12:22,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:22,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:22,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:22,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:22,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,159 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,179 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:12:22,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,208 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:22,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:22,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:22,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:22,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (1/1) ... [2024-10-31 22:12:22,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:22,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:22,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:22,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:12:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:12:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:12:22,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:22,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:22,403 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:22,406 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:22,991 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:22,992 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:23,006 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:23,006 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:12:23,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:23 BoogieIcfgContainer [2024-10-31 22:12:23,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:23,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:23,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:23,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:23,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:21" (1/3) ... [2024-10-31 22:12:23,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ca6432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:23, skipping insertion in model container [2024-10-31 22:12:23,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:22" (2/3) ... [2024-10-31 22:12:23,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ca6432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:23, skipping insertion in model container [2024-10-31 22:12:23,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:23" (3/3) ... [2024-10-31 22:12:23,016 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-30.i [2024-10-31 22:12:23,038 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:23,038 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:12:23,120 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:23,129 INFO L333 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, 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;@49c86263, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:23,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:12:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:12:23,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 22:12:23,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:23,147 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:23,147 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:12:23,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:23,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1224453743, now seen corresponding path program 1 times [2024-10-31 22:12:23,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:12:23,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628978738] [2024-10-31 22:12:23,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:23,171 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 [2024-10-31 22:12:23,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:12:23,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:12:23,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:12:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:23,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:12:23,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:12:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-10-31 22:12:33,066 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:12:33,067 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:12:33,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628978738] [2024-10-31 22:12:33,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628978738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:33,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:33,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-31 22:12:33,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896240234] [2024-10-31 22:12:33,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:33,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:12:33,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:12:33,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:12:33,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:12:33,121 INFO L87 Difference]: Start difference. First operand has 43 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-31 22:12:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:12:37,882 INFO L93 Difference]: Finished difference Result 134 states and 197 transitions. [2024-10-31 22:12:37,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-31 22:12:37,895 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-10-31 22:12:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:12:37,908 INFO L225 Difference]: With dead ends: 134 [2024-10-31 22:12:37,908 INFO L226 Difference]: Without dead ends: 78 [2024-10-31 22:12:37,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2024-10-31 22:12:37,921 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 155 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:12:37,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 240 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-31 22:12:37,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-31 22:12:37,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 50. [2024-10-31 22:12:37,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:12:37,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 66 transitions. [2024-10-31 22:12:37,997 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 66 transitions. Word has length 74 [2024-10-31 22:12:37,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:12:37,999 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 66 transitions. [2024-10-31 22:12:37,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-10-31 22:12:38,000 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-10-31 22:12:38,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-31 22:12:38,005 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:38,006 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:38,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:12:38,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 22:12:38,208 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:12:38,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:38,210 INFO L85 PathProgramCache]: Analyzing trace with hash -988032367, now seen corresponding path program 1 times [2024-10-31 22:12:38,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:12:38,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260912913] [2024-10-31 22:12:38,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:38,211 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 [2024-10-31 22:12:38,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:12:38,214 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 22:12:38,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c37ea58-7cba-47f6-ba09-d99a5ab26611/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:12:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:38,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 22:12:38,549 INFO L278 TraceCheckSpWp]: Computing forward predicates...