./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 30e01a73
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-30e01a7
[2023-11-23 21:17:43,423 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-23 21:17:43,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf
[2023-11-23 21:17:43,555 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-23 21:17:43,556 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-23 21:17:43,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-23 21:17:43,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-23 21:17:43,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-23 21:17:43,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-23 21:17:43,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-23 21:17:43,586 INFO L153 SettingsManager]: * User list type=DISABLED
[2023-11-23 21:17:43,587 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-23 21:17:43,588 INFO L153 SettingsManager]: * Explicit value domain=true
[2023-11-23 21:17:43,588 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-11-23 21:17:43,589 INFO L153 SettingsManager]: * Octagon Domain=false
[2023-11-23 21:17:43,590 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2023-11-23 21:17:43,590 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2023-11-23 21:17:43,591 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2023-11-23 21:17:43,591 INFO L153 SettingsManager]: * Interval Domain=false
[2023-11-23 21:17:43,592 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-11-23 21:17:43,593 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2023-11-23 21:17:43,593 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2023-11-23 21:17:43,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-23 21:17:43,595 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-23 21:17:43,595 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-23 21:17:43,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-23 21:17:43,597 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-23 21:17:43,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-23 21:17:43,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-23 21:17:43,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-23 21:17:43,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-23 21:17:43,599 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-23 21:17:43,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-23 21:17:43,600 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-23 21:17:43,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-23 21:17:43,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-23 21:17:43,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-23 21:17:43,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 21:17:43,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-23 21:17:43,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-23 21:17:43,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-23 21:17:43,605 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2023-11-23 21:17:43,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-23 21:17:43,606 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-23 21:17:43,606 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-23 21:17:43,607 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2023-11-23 21:17:43,607 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-23 21:17:43,607 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
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_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03
[2023-11-23 21:17:43,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-23 21:17:43,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-23 21:17:43,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-23 21:17:43,916 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-23 21:17:43,916 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-23 21:17:43,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i
[2023-11-23 21:17:47,021 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-23 21:17:47,263 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-23 21:17:47,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i
[2023-11-23 21:17:47,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/data/0ceb2c8a4/52bd2b6b237048c4a3238efd7cbec66b/FLAG4d41cfee9
[2023-11-23 21:17:47,290 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/data/0ceb2c8a4/52bd2b6b237048c4a3238efd7cbec66b
[2023-11-23 21:17:47,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-23 21:17:47,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-23 21:17:47,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-23 21:17:47,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-23 21:17:47,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-23 21:17:47,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae25ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47, skipping insertion in model container
[2023-11-23 21:17:47,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,350 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-23 21:17:47,515 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_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930]
[2023-11-23 21:17:47,578 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 21:17:47,590 INFO L202 MainTranslator]: Completed pre-run
[2023-11-23 21:17:47,604 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_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930]
[2023-11-23 21:17:47,637 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 21:17:47,655 INFO L206 MainTranslator]: Completed translation
[2023-11-23 21:17:47,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47 WrapperNode
[2023-11-23 21:17:47,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-23 21:17:47,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-23 21:17:47,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-23 21:17:47,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-23 21:17:47,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,727 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 146
[2023-11-23 21:17:47,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-23 21:17:47,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-23 21:17:47,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-23 21:17:47,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-23 21:17:47,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-23 21:17:47,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-23 21:17:47,775 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-23 21:17:47,775 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-23 21:17:47,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (1/1) ...
[2023-11-23 21:17:47,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 21:17:47,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3
[2023-11-23 21:17:47,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-23 21:17:47,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-23 21:17:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-23 21:17:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-23 21:17:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-23 21:17:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-23 21:17:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-23 21:17:47,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-23 21:17:47,970 INFO L241 CfgBuilder]: Building ICFG
[2023-11-23 21:17:47,973 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-23 21:17:48,366 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-23 21:17:48,611 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-23 21:17:48,611 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-23 21:17:48,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:48 BoogieIcfgContainer
[2023-11-23 21:17:48,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-23 21:17:48,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-23 21:17:48,616 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-23 21:17:48,620 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-23 21:17:48,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:47" (1/3) ...
[2023-11-23 21:17:48,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278631ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:48, skipping insertion in model container
[2023-11-23 21:17:48,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:47" (2/3) ...
[2023-11-23 21:17:48,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278631ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:48, skipping insertion in model container
[2023-11-23 21:17:48,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:48" (3/3) ...
[2023-11-23 21:17:48,623 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-77.i
[2023-11-23 21:17:48,643 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-23 21:17:48,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-23 21:17:48,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-23 21:17:48,701 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=FINITE_AUTOMATA, 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;@5c463f55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 21:17:48,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-23 21:17:48,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2023-11-23 21:17:48,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87
[2023-11-23 21:17:48,714 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 21:17:48,715 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-23 21:17:48,716 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 21:17:48,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:17:48,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1139741795, now seen corresponding path program 1 times
[2023-11-23 21:17:48,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-23 21:17:48,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685279631]
[2023-11-23 21:17:48,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:17:48,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-23 21:17:48,905 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-23 21:17:48,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [98221863]
[2023-11-23 21:17:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:17:48,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-23 21:17:48,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3
[2023-11-23 21:17:48,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-23 21:17:48,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-23 21:17:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 21:17:49,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-23 21:17:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-23 21:17:49,536 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2023-11-23 21:17:49,539 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-11-23 21:17:49,541 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-23 21:17:49,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-23 21:17:49,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-23 21:17:49,755 INFO L445 BasicCegarLoop]: Path program histogram: [1]
[2023-11-23 21:17:49,758 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-23 21:17:49,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:17:49 BoogieIcfgContainer
[2023-11-23 21:17:49,879 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-23 21:17:49,879 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-23 21:17:49,879 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-23 21:17:49,879 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-23 21:17:49,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:48" (3/4) ...
[2023-11-23 21:17:49,882 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-11-23 21:17:49,883 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-23 21:17:49,884 INFO L158 Benchmark]: Toolchain (without parser) took 2588.63ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 88.0MB in the end (delta: 31.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB.
[2023-11-23 21:17:49,884 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-23 21:17:49,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.76ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 105.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-23 21:17:49,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.01ms. Allocated memory is still 159.4MB. Free memory was 105.9MB in the beginning and 102.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-23 21:17:49,886 INFO L158 Benchmark]: Boogie Preprocessor took 44.86ms. Allocated memory is still 159.4MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-23 21:17:49,887 INFO L158 Benchmark]: RCFGBuilder took 838.89ms. Allocated memory is still 159.4MB. Free memory was 100.6MB in the beginning and 127.9MB in the end (delta: -27.3MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB.
[2023-11-23 21:17:49,887 INFO L158 Benchmark]: TraceAbstraction took 1262.86ms. Allocated memory is still 159.4MB. Free memory was 127.1MB in the beginning and 88.9MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
[2023-11-23 21:17:49,888 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 159.4MB. Free memory was 88.9MB in the beginning and 88.0MB in the end (delta: 829.7kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-23 21:17:49,892 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 358.76ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 105.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 71.01ms. Allocated memory is still 159.4MB. Free memory was 105.9MB in the beginning and 102.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 44.86ms. Allocated memory is still 159.4MB. Free memory was 102.1MB in the beginning and 100.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 838.89ms. Allocated memory is still 159.4MB. Free memory was 100.6MB in the beginning and 127.9MB in the end (delta: -27.3MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 1262.86ms. Allocated memory is still 159.4MB. Free memory was 127.1MB in the beginning and 88.9MB in the end (delta: 38.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB.
* Witness Printer took 3.73ms. Allocated memory is still 159.4MB. Free memory was 88.9MB in the beginning and 88.0MB in the end (delta: 829.7kB). 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 46.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned short int var_1_1 = 2;
[L23] float var_1_2 = 255.5;
[L24] float var_1_3 = 99.8;
[L25] signed char var_1_4 = -25;
[L26] signed long int var_1_5 = -16;
[L27] float var_1_6 = 255.25;
[L28] unsigned short int var_1_7 = 16;
[L29] signed char var_1_8 = -10;
[L30] signed char var_1_9 = -8;
[L31] unsigned short int var_1_10 = 8;
[L32] unsigned short int var_1_11 = 10000;
[L33] unsigned short int var_1_12 = 5;
[L34] signed short int var_1_13 = 200;
[L35] unsigned char var_1_14 = 0;
[L36] unsigned char var_1_15 = 0;
[L37] unsigned short int var_1_16 = 35895;
[L38] unsigned short int var_1_17 = 18336;
[L39] unsigned char var_1_18 = 0;
[L40] signed long int var_1_19 = -50;
[L135] isInitial = 1
[L136] FCALL initially()
[L137] COND TRUE 1
[L138] FCALL updateLastVariables()
[L139] CALL updateVariables()
[L91] var_1_2 = __VERIFIER_nondet_float()
[L92] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L20] COND FALSE !(!cond)
[L92] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ))
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_3=499/5, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L93] var_1_3 = __VERIFIER_nondet_float()
[L94] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L20] COND FALSE !(!cond)
[L94] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ))
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=-25, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L95] var_1_4 = __VERIFIER_nondet_char()
[L96] CALL assume_abort_if_not(var_1_4 >= -127)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L20] COND FALSE !(!cond)
[L96] RET assume_abort_if_not(var_1_4 >= -127)
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L97] CALL assume_abort_if_not(var_1_4 <= 127)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L20] COND FALSE !(!cond)
[L97] RET assume_abort_if_not(var_1_4 <= 127)
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-16, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L98] var_1_5 = __VERIFIER_nondet_long()
[L99] CALL assume_abort_if_not(var_1_5 >= -2147483648)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L20] COND FALSE !(!cond)
[L99] RET assume_abort_if_not(var_1_5 >= -2147483648)
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L100] CALL assume_abort_if_not(var_1_5 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L20] COND FALSE !(!cond)
[L100] RET assume_abort_if_not(var_1_5 <= 2147483647)
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_6=1021/4, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L101] var_1_6 = __VERIFIER_nondet_float()
[L102] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L20] COND FALSE !(!cond)
[L102] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F ))
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16, var_1_8=-10, var_1_9=-8]
[L103] var_1_7 = __VERIFIER_nondet_ushort()
[L104] CALL assume_abort_if_not(var_1_7 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_8=-10, var_1_9=-8]
[L20] COND FALSE !(!cond)
[L104] RET assume_abort_if_not(var_1_7 >= 0)
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_8=-10, var_1_9=-8]
[L105] CALL assume_abort_if_not(var_1_7 <= 65534)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=-8]
[L20] COND FALSE !(!cond)
[L105] RET assume_abort_if_not(var_1_7 <= 65534)
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=-8]
[L106] var_1_9 = __VERIFIER_nondet_char()
[L107] CALL assume_abort_if_not(var_1_9 >= -127)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L107] RET assume_abort_if_not(var_1_9 >= -127)
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L108] CALL assume_abort_if_not(var_1_9 <= 126)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L108] RET assume_abort_if_not(var_1_9 <= 126)
VAL [isInitial=1, var_1_10=8, var_1_11=10000, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L109] var_1_11 = __VERIFIER_nondet_ushort()
[L110] CALL assume_abort_if_not(var_1_11 >= 8191)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L110] RET assume_abort_if_not(var_1_11 >= 8191)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L111] CALL assume_abort_if_not(var_1_11 <= 16384)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L111] RET assume_abort_if_not(var_1_11 <= 16384)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=5, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L112] var_1_12 = __VERIFIER_nondet_ushort()
[L113] CALL assume_abort_if_not(var_1_12 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L113] RET assume_abort_if_not(var_1_12 >= 0)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L114] CALL assume_abort_if_not(var_1_12 <= 16383)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L114] RET assume_abort_if_not(var_1_12 <= 16383)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=0, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L115] var_1_14 = __VERIFIER_nondet_uchar()
[L116] CALL assume_abort_if_not(var_1_14 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L116] RET assume_abort_if_not(var_1_14 >= 0)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L117] CALL assume_abort_if_not(var_1_14 <= 1)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L117] RET assume_abort_if_not(var_1_14 <= 1)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=35895, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L118] var_1_16 = __VERIFIER_nondet_ushort()
[L119] CALL assume_abort_if_not(var_1_16 >= 32767)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L119] RET assume_abort_if_not(var_1_16 >= 32767)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L120] CALL assume_abort_if_not(var_1_16 <= 65535)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L120] RET assume_abort_if_not(var_1_16 <= 65535)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=18336, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L121] var_1_17 = __VERIFIER_nondet_ushort()
[L122] CALL assume_abort_if_not(var_1_17 >= 16383)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L122] RET assume_abort_if_not(var_1_17 >= 16383)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L123] CALL assume_abort_if_not(var_1_17 <= 32767)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L123] RET assume_abort_if_not(var_1_17 <= 32767)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L124] var_1_18 = __VERIFIER_nondet_uchar()
[L125] CALL assume_abort_if_not(var_1_18 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L125] RET assume_abort_if_not(var_1_18 >= 0)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L126] CALL assume_abort_if_not(var_1_18 <= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L20] COND FALSE !(!cond)
[L126] RET assume_abort_if_not(var_1_18 <= 0)
VAL [isInitial=1, var_1_10=8, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=2, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=-10, var_1_9=126]
[L139] RET updateVariables()
[L140] CALL step()
[L44] signed long int stepLocal_0 = (((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4));
[L45] COND FALSE !(stepLocal_0 <= var_1_5)
[L52] var_1_1 = var_1_7
[L54] COND TRUE (- var_1_7) < (var_1_5 * var_1_4)
[L55] var_1_8 = var_1_9
[L57] var_1_10 = (50 + ((var_1_11 + 10000) - var_1_12))
[L58] COND FALSE !((var_1_6 * var_1_2) <= var_1_3)
[L65] signed long int stepLocal_1 = var_1_16 - (var_1_17 - 256);
[L66] COND FALSE !(var_1_3 != var_1_6)
[L73] var_1_15 = var_1_18
[L75] signed long int stepLocal_4 = - var_1_5;
[L76] signed long int stepLocal_3 = var_1_7 + (128 + var_1_10);
[L77] signed long int stepLocal_2 = ((((var_1_5) < (var_1_17)) ? (var_1_5) : (var_1_17))) / var_1_11;
[L78] COND TRUE var_1_10 < stepLocal_4
[L79] COND FALSE !(stepLocal_3 <= var_1_8)
[L140] RET step()
[L141] CALL, EXPR property()
[L131-L132] return ((((((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) <= var_1_5) ? (((- var_1_3) > ((((var_1_2) > (var_1_6)) ? (var_1_2) : (var_1_6)))) ? (var_1_1 == ((unsigned short int) var_1_7)) : (var_1_1 == ((unsigned short int) var_1_7))) : (var_1_1 == ((unsigned short int) var_1_7))) && (((- var_1_7) < (var_1_5 * var_1_4)) ? (var_1_8 == ((signed char) var_1_9)) : 1)) && (var_1_10 == ((unsigned short int) (50 + ((var_1_11 + 10000) - var_1_12))))) && (((var_1_6 * var_1_2) <= var_1_3) ? (var_1_14 ? (var_1_13 == ((signed short int) (-10 + var_1_12))) : (var_1_13 == ((signed short int) var_1_4))) : 1)) && ((var_1_3 != var_1_6) ? ((var_1_1 >= (var_1_16 - (var_1_17 - 256))) ? (var_1_15 == ((unsigned char) var_1_18)) : (var_1_15 == ((unsigned char) var_1_18))) : (var_1_15 == ((unsigned char) var_1_18)))) && ((var_1_10 < (- var_1_5)) ? (((var_1_7 + (128 + var_1_10)) <= var_1_8) ? (var_1_19 == ((signed long int) var_1_4)) : 1) : ((var_1_10 < (((((var_1_5) < (var_1_17)) ? (var_1_5) : (var_1_17))) / var_1_11)) ? (var_1_19 == ((signed long int) ((((var_1_7) > (var_1_9)) ? (var_1_7) : (var_1_9))))) : (var_1_19 == ((signed long int) var_1_16))))
;
[L141] RET, EXPR property()
[L141] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=18231, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=16640, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=126, var_1_9=126]
[L19] reach_error()
VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=18231, var_1_11=8192, var_1_12=11, var_1_13=200, var_1_14=1, var_1_15=0, var_1_16=32767, var_1_17=16383, var_1_18=0, var_1_19=-50, var_1_1=16640, var_1_4=0, var_1_5=-24576, var_1_7=16640, var_1_8=126, var_1_9=126]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-23 21:17:49,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-30e01a7
[2023-11-23 21:17:52,554 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-23 21:17:52,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf
[2023-11-23 21:17:52,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-23 21:17:52,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-23 21:17:52,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-23 21:17:52,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-23 21:17:52,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-23 21:17:52,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-23 21:17:52,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-23 21:17:52,692 INFO L153 SettingsManager]: * User list type=DISABLED
[2023-11-23 21:17:52,693 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-23 21:17:52,693 INFO L153 SettingsManager]: * Explicit value domain=true
[2023-11-23 21:17:52,694 INFO L153 SettingsManager]: * Octagon Domain=false
[2023-11-23 21:17:52,695 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2023-11-23 21:17:52,695 INFO L153 SettingsManager]: * Interval Domain=false
[2023-11-23 21:17:52,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-23 21:17:52,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-23 21:17:52,698 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-23 21:17:52,698 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-23 21:17:52,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-23 21:17:52,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-23 21:17:52,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-23 21:17:52,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-23 21:17:52,701 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-11-23 21:17:52,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-11-23 21:17:52,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-23 21:17:52,703 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-23 21:17:52,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-23 21:17:52,704 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-23 21:17:52,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-23 21:17:52,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-23 21:17:52,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-23 21:17:52,706 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-23 21:17:52,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 21:17:52,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-23 21:17:52,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-23 21:17:52,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-23 21:17:52,708 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS
[2023-11-23 21:17:52,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-11-23 21:17:52,709 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-23 21:17:52,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-23 21:17:52,710 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2023-11-23 21:17:52,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-23 21:17:52,711 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
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_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26d624a9f364a3ec6745ec9e53f7f0150e248a4fcfa20eb8b3a2dbc29bb66a03
[2023-11-23 21:17:53,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-23 21:17:53,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-23 21:17:53,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-23 21:17:53,203 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-23 21:17:53,204 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-23 21:17:53,205 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i
[2023-11-23 21:17:56,377 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-23 21:17:56,635 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-23 21:17:56,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i
[2023-11-23 21:17:56,652 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/data/49b24375c/07bb20ae0ae94e3ebc61c250bec2263e/FLAGe5d50761d
[2023-11-23 21:17:56,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/data/49b24375c/07bb20ae0ae94e3ebc61c250bec2263e
[2023-11-23 21:17:56,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-23 21:17:56,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-23 21:17:56,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-23 21:17:56,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-23 21:17:56,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-23 21:17:56,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:56" (1/1) ...
[2023-11-23 21:17:56,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cf5010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:56, skipping insertion in model container
[2023-11-23 21:17:56,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:56" (1/1) ...
[2023-11-23 21:17:56,734 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-23 21:17:56,952 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_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930]
[2023-11-23 21:17:57,047 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 21:17:57,070 INFO L202 MainTranslator]: Completed pre-run
[2023-11-23 21:17:57,090 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_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-77.i[917,930]
[2023-11-23 21:17:57,144 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-23 21:17:57,186 INFO L206 MainTranslator]: Completed translation
[2023-11-23 21:17:57,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57 WrapperNode
[2023-11-23 21:17:57,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-23 21:17:57,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-23 21:17:57,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-23 21:17:57,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-23 21:17:57,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,270 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143
[2023-11-23 21:17:57,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-23 21:17:57,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-23 21:17:57,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-23 21:17:57,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-23 21:17:57,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,301 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-23 21:17:57,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-23 21:17:57,332 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-23 21:17:57,332 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-23 21:17:57,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (1/1) ...
[2023-11-23 21:17:57,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-23 21:17:57,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3
[2023-11-23 21:17:57,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-23 21:17:57,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-23 21:17:57,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-23 21:17:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-23 21:17:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-11-23 21:17:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-11-23 21:17:57,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-23 21:17:57,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-23 21:17:57,552 INFO L241 CfgBuilder]: Building ICFG
[2023-11-23 21:17:57,554 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-23 21:17:58,831 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-23 21:17:58,936 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-23 21:17:58,936 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-23 21:17:58,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:58 BoogieIcfgContainer
[2023-11-23 21:17:58,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-23 21:17:58,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-23 21:17:58,949 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-23 21:17:58,954 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-23 21:17:58,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:56" (1/3) ...
[2023-11-23 21:17:58,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461781d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:58, skipping insertion in model container
[2023-11-23 21:17:58,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:57" (2/3) ...
[2023-11-23 21:17:58,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461781d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:58, skipping insertion in model container
[2023-11-23 21:17:58,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:58" (3/3) ...
[2023-11-23 21:17:58,958 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-77.i
[2023-11-23 21:17:58,979 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-23 21:17:58,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-23 21:17:59,052 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-23 21:17:59,061 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=FINITE_AUTOMATA, 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;@3d8546e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-23 21:17:59,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-23 21:17:59,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2023-11-23 21:17:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2023-11-23 21:17:59,093 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 21:17:59,094 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-23 21:17:59,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 21:17:59,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:17:59,103 INFO L85 PathProgramCache]: Analyzing trace with hash -731401140, now seen corresponding path program 1 times
[2023-11-23 21:17:59,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-11-23 21:17:59,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969428558]
[2023-11-23 21:17:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:17:59,127 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-23 21:17:59,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat
[2023-11-23 21:17:59,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-23 21:17:59,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-11-23 21:17:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:17:59,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-11-23 21:17:59,604 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-23 21:17:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked.
[2023-11-23 21:17:59,681 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-23 21:17:59,682 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2023-11-23 21:17:59,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969428558]
[2023-11-23 21:17:59,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969428558] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-23 21:17:59,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-23 21:17:59,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-23 21:17:59,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831765856]
[2023-11-23 21:17:59,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:17:59,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-23 21:17:59,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2023-11-23 21:17:59,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-23 21:17:59,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-23 21:17:59,736 INFO L87 Difference]: Start difference. First operand has 62 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2023-11-23 21:18:00,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:18:00,454 INFO L93 Difference]: Finished difference Result 121 states and 215 transitions.
[2023-11-23 21:18:00,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-23 21:18:00,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 142
[2023-11-23 21:18:00,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:18:00,475 INFO L225 Difference]: With dead ends: 121
[2023-11-23 21:18:00,476 INFO L226 Difference]: Without dead ends: 60
[2023-11-23 21:18:00,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-23 21:18:00,483 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-11-23 21:18:00,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-11-23 21:18:00,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2023-11-23 21:18:00,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2023-11-23 21:18:00,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2023-11-23 21:18:00,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 92 transitions.
[2023-11-23 21:18:00,533 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 92 transitions. Word has length 142
[2023-11-23 21:18:00,533 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-23 21:18:00,533 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 92 transitions.
[2023-11-23 21:18:00,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23)
[2023-11-23 21:18:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions.
[2023-11-23 21:18:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2023-11-23 21:18:00,538 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 21:18:00,538 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-23 21:18:00,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-11-23 21:18:00,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-23 21:18:00,746 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 21:18:00,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:18:00,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1451628806, now seen corresponding path program 1 times
[2023-11-23 21:18:00,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-11-23 21:18:00,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301176202]
[2023-11-23 21:18:00,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:18:00,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-23 21:18:00,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat
[2023-11-23 21:18:00,751 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-23 21:18:00,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-11-23 21:18:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:18:01,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 12 conjunts are in the unsatisfiable core
[2023-11-23 21:18:01,175 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-23 21:18:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 590 proven. 78 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked.
[2023-11-23 21:18:02,815 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-23 21:18:03,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked.
[2023-11-23 21:18:03,156 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2023-11-23 21:18:03,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [301176202]
[2023-11-23 21:18:03,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [301176202] provided 1 perfect and 1 imperfect interpolant sequences
[2023-11-23 21:18:03,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-23 21:18:03,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14
[2023-11-23 21:18:03,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047772326]
[2023-11-23 21:18:03,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-23 21:18:03,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-23 21:18:03,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2023-11-23 21:18:03,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-23 21:18:03,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182
[2023-11-23 21:18:03,169 INFO L87 Difference]: Start difference. First operand 60 states and 92 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2023-11-23 21:18:03,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-23 21:18:03,582 INFO L93 Difference]: Finished difference Result 119 states and 183 transitions.
[2023-11-23 21:18:03,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-23 21:18:03,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 142
[2023-11-23 21:18:03,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-23 21:18:03,596 INFO L225 Difference]: With dead ends: 119
[2023-11-23 21:18:03,596 INFO L226 Difference]: Without dead ends: 60
[2023-11-23 21:18:03,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182
[2023-11-23 21:18:03,599 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-11-23 21:18:03,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 168 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-11-23 21:18:03,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2023-11-23 21:18:03,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2023-11-23 21:18:03,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23)
[2023-11-23 21:18:03,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 91 transitions.
[2023-11-23 21:18:03,612 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 91 transitions. Word has length 142
[2023-11-23 21:18:03,614 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-23 21:18:03,615 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 91 transitions.
[2023-11-23 21:18:03,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23)
[2023-11-23 21:18:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 91 transitions.
[2023-11-23 21:18:03,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143
[2023-11-23 21:18:03,618 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-23 21:18:03,618 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-23 21:18:03,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-11-23 21:18:03,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-23 21:18:03,825 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-23 21:18:03,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-23 21:18:03,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1451688388, now seen corresponding path program 1 times
[2023-11-23 21:18:03,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-11-23 21:18:03,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731968419]
[2023-11-23 21:18:03,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-23 21:18:03,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-23 21:18:03,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat
[2023-11-23 21:18:03,829 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-23 21:18:03,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffa5119b-69c9-4774-abc1-8b12c1abb7e2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-11-23 21:18:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-23 21:18:04,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 12 conjunts are in the unsatisfiable core
[2023-11-23 21:18:04,130 INFO L285 TraceCheckSpWp]: Computing forward predicates...