./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 16e1754a4d8252a252b4a68d94a91fad2f855cb010e4eb4ff6782504600eda4e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:45,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:45,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:09:45,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:45,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:45,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:45,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:45,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:45,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:45,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:45,823 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:45,824 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:45,825 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:45,826 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:45,827 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:45,828 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:45,828 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:45,829 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:45,829 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:45,830 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:45,830 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:45,835 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:45,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:45,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:45,837 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:09:45,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:45,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:09:45,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:45,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:45,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:45,841 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:45,841 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:09:45,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:45,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:45,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:45,842 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:45,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:45,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:45,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:45,843 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:45,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:45,844 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:45,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:45,845 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:45,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:45,846 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:45,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:45,846 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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16e1754a4d8252a252b4a68d94a91fad2f855cb010e4eb4ff6782504600eda4e [2023-11-23 21:09:46,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:46,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:46,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:46,187 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:46,188 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:46,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i [2023-11-23 21:09:49,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:49,564 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:49,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i [2023-11-23 21:09:49,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/data/26629865e/f866c39b26c84fd2b6a7105f7a21e8e0/FLAG9cee12ecb [2023-11-23 21:09:49,605 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/data/26629865e/f866c39b26c84fd2b6a7105f7a21e8e0 [2023-11-23 21:09:49,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:49,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:49,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:49,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:49,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:49,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:49,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6438f14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49, skipping insertion in model container [2023-11-23 21:09:49,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:49,671 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:49,820 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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i[915,928] [2023-11-23 21:09:49,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:49,898 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:49,911 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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i[915,928] [2023-11-23 21:09:49,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:49,973 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:49,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49 WrapperNode [2023-11-23 21:09:49,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:49,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:49,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:49,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:49,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:49,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,040 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-23 21:09:50,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:50,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:50,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:50,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:50,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:50,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:50,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:50,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:50,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (1/1) ... [2023-11-23 21:09:50,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:50,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:50,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:50,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:50,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:09:50,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:09:50,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:09:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:50,327 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:50,330 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:09:50,831 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:51,112 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:51,112 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:09:51,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:51 BoogieIcfgContainer [2023-11-23 21:09:51,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:51,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:51,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:51,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:51,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:49" (1/3) ... [2023-11-23 21:09:51,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f87939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:51, skipping insertion in model container [2023-11-23 21:09:51,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:49" (2/3) ... [2023-11-23 21:09:51,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f87939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:51, skipping insertion in model container [2023-11-23 21:09:51,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:51" (3/3) ... [2023-11-23 21:09:51,124 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-69.i [2023-11-23 21:09:51,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:51,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:09:51,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:51,195 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;@488c2cf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:51,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:09:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:09:51,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-23 21:09:51,209 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:51,210 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:09:51,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:09:51,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:51,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1003720168, now seen corresponding path program 1 times [2023-11-23 21:09:51,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:51,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124286241] [2023-11-23 21:09:51,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:51,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:09:51,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:09:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:09:52,190 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:09:52,193 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:09:52,194 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:09:52,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:09:52,202 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:09:52,211 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:09:52,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:09:52 BoogieIcfgContainer [2023-11-23 21:09:52,372 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:09:52,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:09:52,375 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:09:52,375 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:09:52,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:51" (3/4) ... [2023-11-23 21:09:52,384 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:09:52,385 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:09:52,387 INFO L158 Benchmark]: Toolchain (without parser) took 2776.31ms. Allocated memory is still 161.5MB. Free memory was 121.1MB in the beginning and 109.8MB in the end (delta: 11.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-11-23 21:09:52,388 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:52,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.24ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 106.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:09:52,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.84ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 102.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:09:52,391 INFO L158 Benchmark]: Boogie Preprocessor took 42.12ms. Allocated memory is still 161.5MB. Free memory was 102.9MB in the beginning and 101.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:09:52,396 INFO L158 Benchmark]: RCFGBuilder took 1030.07ms. Allocated memory is still 161.5MB. Free memory was 101.3MB in the beginning and 125.7MB in the end (delta: -24.4MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2023-11-23 21:09:52,398 INFO L158 Benchmark]: TraceAbstraction took 1255.29ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 109.8MB in the end (delta: 14.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-23 21:09:52,399 INFO L158 Benchmark]: Witness Printer took 11.47ms. Allocated memory is still 161.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:09:52,407 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.24ms. Allocated memory is still 161.5MB. Free memory was 120.7MB in the beginning and 106.6MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.84ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 102.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.12ms. Allocated memory is still 161.5MB. Free memory was 102.9MB in the beginning and 101.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1030.07ms. Allocated memory is still 161.5MB. Free memory was 101.3MB in the beginning and 125.7MB in the end (delta: -24.4MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1255.29ms. Allocated memory is still 161.5MB. Free memory was 124.7MB in the beginning and 109.8MB in the end (delta: 14.9MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 11.47ms. Allocated memory is still 161.5MB. Free memory is still 109.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 90. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 4; [L23] signed short int var_1_3 = 128; [L24] signed short int var_1_4 = 10; [L25] unsigned char var_1_5 = 200; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 64; [L29] signed char var_1_9 = -128; [L30] unsigned char var_1_10 = 0; [L31] unsigned char var_1_11 = 0; [L32] double var_1_12 = 32.75; [L33] double var_1_13 = 255.6; [L34] signed short int var_1_14 = 8; [L35] unsigned long int var_1_15 = 256; [L36] unsigned long int var_1_16 = 4031871391; [L37] unsigned long int var_1_17 = 3083112228; [L38] unsigned long int var_1_18 = 3058504136; [L39] unsigned long int var_1_19 = 1902304375; [L40] unsigned char var_1_20 = 1; [L41] unsigned char var_1_22 = 0; [L42] unsigned char var_1_23 = 1; [L43] unsigned char last_1_var_1_1 = 4; [L44] signed char last_1_var_1_9 = -128; [L45] signed short int last_1_var_1_14 = 8; [L152] isInitial = 1 [L153] FCALL initially() [L154] COND TRUE 1 [L155] CALL updateLastVariables() [L143] last_1_var_1_1 = var_1_1 [L144] last_1_var_1_9 = var_1_9 [L145] last_1_var_1_14 = var_1_14 [L155] RET updateLastVariables() [L156] CALL updateVariables() [L97] var_1_3 = __VERIFIER_nondet_short() [L98] CALL assume_abort_if_not(var_1_3 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 >= -1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L99] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=10, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L100] var_1_4 = __VERIFIER_nondet_short() [L101] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L102] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=200, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L103] var_1_5 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_5 >= 190) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L105] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=0, var_1_7=0, var_1_8=64, var_1_9=-128] [L106] var_1_6 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_7=0, var_1_8=64, var_1_9=-128] [L108] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=0, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=0, var_1_8=64, var_1_9=-128] [L109] var_1_7 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_8=64, var_1_9=-128] [L111] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=64, var_1_9=-128] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=64, var_1_9=-128] [L112] var_1_8 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_9=-128] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_9=-128] [L114] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=0, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L117] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=0, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L120] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_13=1278/5, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L121] var_1_13 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4031871391, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L123] var_1_16 = __VERIFIER_nondet_ulong() [L124] CALL assume_abort_if_not(var_1_16 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_16 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L125] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=3083112228, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L126] var_1_17 = __VERIFIER_nondet_ulong() [L127] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L128] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=3058504136, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L129] var_1_18 = __VERIFIER_nondet_ulong() [L130] CALL assume_abort_if_not(var_1_18 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_18 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L131] CALL assume_abort_if_not(var_1_18 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_18 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=1902304375, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L132] var_1_19 = __VERIFIER_nondet_ulong() [L133] CALL assume_abort_if_not(var_1_19 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_19 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L134] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L135] var_1_22 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L137] CALL assume_abort_if_not(var_1_22 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_22 <= 0) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L138] var_1_23 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L140] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=131/4, var_1_14=8, var_1_15=256, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=4, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-128] [L156] RET updateVariables() [L157] CALL step() [L49] signed long int stepLocal_5 = last_1_var_1_9; [L50] COND TRUE stepLocal_5 < last_1_var_1_1 [L51] var_1_20 = ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)) [L55] signed long int stepLocal_0 = var_1_3 - var_1_4; [L56] COND FALSE !(last_1_var_1_14 >= stepLocal_0) [L59] var_1_1 = (32 + var_1_7) [L61] COND TRUE var_1_20 || (var_1_6 <= var_1_8) [L62] var_1_14 = var_1_6 [L64] unsigned char stepLocal_2 = var_1_20; [L65] signed long int stepLocal_1 = var_1_8 - var_1_5; [L66] COND FALSE !(stepLocal_1 >= var_1_1) [L73] var_1_9 = var_1_5 [L75] unsigned char stepLocal_4 = var_1_7; [L76] unsigned char stepLocal_3 = var_1_20; [L77] COND FALSE !(stepLocal_4 > var_1_1) [L88] var_1_12 = var_1_13 [L90] COND FALSE !(var_1_12 < var_1_13) [L93] var_1_15 = (var_1_18 - var_1_19) [L157] RET step() [L158] CALL, EXPR property() [L148-L149] return ((((((last_1_var_1_14 >= (var_1_3 - var_1_4)) ? (var_1_1 == ((unsigned char) ((var_1_5 - ((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7)))) - var_1_8))) : (var_1_1 == ((unsigned char) (32 + var_1_7)))) && (((var_1_8 - var_1_5) >= var_1_1) ? ((var_1_20 || var_1_20) ? (var_1_9 == ((signed char) var_1_6)) : (var_1_9 == ((signed char) var_1_7))) : (var_1_9 == ((signed char) var_1_5)))) && ((var_1_7 > var_1_1) ? ((((var_1_1 + var_1_9) == var_1_1) && var_1_20) ? ((! var_1_20) ? (var_1_12 == ((double) var_1_13)) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13))) : (var_1_12 == ((double) var_1_13)))) && ((var_1_20 || (var_1_6 <= var_1_8)) ? (var_1_14 == ((signed short int) var_1_6)) : 1)) && ((var_1_12 < var_1_13) ? (var_1_15 == ((unsigned long int) (((((((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) > (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18))))) ? (((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17)))) : (((((3407568261u) > (var_1_18)) ? (3407568261u) : (var_1_18)))))) - (var_1_19 - 32u)))) : (var_1_15 == ((unsigned long int) (var_1_18 - var_1_19))))) && ((last_1_var_1_9 < last_1_var_1_1) ? (var_1_20 == ((unsigned char) ((! (var_1_11 && var_1_22)) && (var_1_10 || var_1_23)))) : (var_1_20 == ((unsigned char) var_1_23))) ; [L158] RET, EXPR property() [L158] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=9223372043297226756, var_1_13=9223372043297226756, var_1_14=63, var_1_15=2147483647, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=95, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=8, last_1_var_1_1=4, last_1_var_1_9=-128, var_1_10=1, var_1_11=1, var_1_12=9223372043297226756, var_1_13=9223372043297226756, var_1_14=63, var_1_15=2147483647, var_1_16=4294967294, var_1_17=4294967294, var_1_18=4294967294, var_1_19=2147483647, var_1_1=95, var_1_20=1, var_1_22=0, var_1_23=1, var_1_3=9, var_1_4=0, var_1_5=254, var_1_6=63, var_1_7=63, var_1_8=127, var_1_9=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 29, 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=53occurred 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 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 21:09:52,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 16e1754a4d8252a252b4a68d94a91fad2f855cb010e4eb4ff6782504600eda4e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:55,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:55,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:09:55,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:55,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:55,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:55,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:55,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:55,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:55,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:55,419 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:55,420 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:55,420 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:55,422 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:55,423 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:55,423 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:55,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:55,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:55,425 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:09:55,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:09:55,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:55,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:55,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:55,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:55,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:09:55,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:09:55,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:09:55,430 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:09:55,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:55,431 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:55,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:55,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:09:55,433 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:55,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:55,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:55,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:55,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:55,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:55,435 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:09:55,436 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:09:55,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:55,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:55,437 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:55,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:55,438 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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16e1754a4d8252a252b4a68d94a91fad2f855cb010e4eb4ff6782504600eda4e [2023-11-23 21:09:55,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:55,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:55,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:55,919 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:55,920 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:55,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i [2023-11-23 21:09:59,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:59,353 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:59,354 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i [2023-11-23 21:09:59,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/data/df728a241/549ca787668745a7819105ca840e6b98/FLAG8e697cdf0 [2023-11-23 21:09:59,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/data/df728a241/549ca787668745a7819105ca840e6b98 [2023-11-23 21:09:59,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:59,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:59,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:59,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:59,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:59,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b5cc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59, skipping insertion in model container [2023-11-23 21:09:59,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:59,597 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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i[915,928] [2023-11-23 21:09:59,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:59,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:59,694 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_d72af4c0-3fa4-4338-91e1-ca65e50eb504/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-69.i[915,928] [2023-11-23 21:09:59,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:59,760 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:59,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59 WrapperNode [2023-11-23 21:09:59,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:59,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:59,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:59,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:59,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,885 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2023-11-23 21:09:59,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:59,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:59,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:59,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:59,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:59,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:59,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:59,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:59,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (1/1) ... [2023-11-23 21:09:59,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:59,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:59,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:59,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:10:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:10:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:10:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:10:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:10:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:10:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:10:00,181 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:10:00,186 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:10:00,636 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:10:00,750 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:10:00,750 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:10:00,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:00 BoogieIcfgContainer [2023-11-23 21:10:00,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:10:00,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:10:00,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:10:00,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:10:00,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:59" (1/3) ... [2023-11-23 21:10:00,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de6e7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:00, skipping insertion in model container [2023-11-23 21:10:00,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:59" (2/3) ... [2023-11-23 21:10:00,765 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de6e7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:10:00, skipping insertion in model container [2023-11-23 21:10:00,765 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:10:00" (3/3) ... [2023-11-23 21:10:00,767 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-69.i [2023-11-23 21:10:00,782 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:10:00,782 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:10:00,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:10:00,839 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;@28e57e35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:10:00,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:10:00,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-23 21:10:00,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-23 21:10:00,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:00,860 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:10:00,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:00,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:00,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1610160749, now seen corresponding path program 1 times [2023-11-23 21:10:00,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:00,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155906637] [2023-11-23 21:10:00,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:00,888 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 21:10:00,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:00,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 21:10:00,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 21:10:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:01,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:10:01,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:10:01,628 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:01,629 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:01,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155906637] [2023-11-23 21:10:01,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155906637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:01,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:01,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:10:01,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279975021] [2023-11-23 21:10:01,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:01,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:10:01,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:01,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:10:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:10:01,673 INFO L87 Difference]: Start difference. First operand has 69 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 38 states have internal predecessors, (51), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:02,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:02,012 INFO L93 Difference]: Finished difference Result 202 states and 384 transitions. [2023-11-23 21:10:02,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:10:02,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 174 [2023-11-23 21:10:02,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:02,028 INFO L225 Difference]: With dead ends: 202 [2023-11-23 21:10:02,028 INFO L226 Difference]: Without dead ends: 134 [2023-11-23 21:10:02,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:10:02,036 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 73 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:02,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 393 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:10:02,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-23 21:10:02,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 117. [2023-11-23 21:10:02,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 56 states have internal predecessors, (66), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:10:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 182 transitions. [2023-11-23 21:10:02,108 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 182 transitions. Word has length 174 [2023-11-23 21:10:02,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:02,110 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 182 transitions. [2023-11-23 21:10:02,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2023-11-23 21:10:02,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-23 21:10:02,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:02,115 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:10:02,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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)] Ended with exit code 0 [2023-11-23 21:10:02,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 21:10:02,321 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:02,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1351995311, now seen corresponding path program 1 times [2023-11-23 21:10:02,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:02,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963079800] [2023-11-23 21:10:02,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:02,323 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 21:10:02,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:02,325 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 21:10:02,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 21:10:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:02,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:10:02,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:10:02,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2023-11-23 21:10:02,597 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:10:02,597 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:10:02,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963079800] [2023-11-23 21:10:02,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963079800] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:10:02,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:10:02,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:10:02,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44887386] [2023-11-23 21:10:02,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:10:02,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:10:02,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:10:02,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:10:02,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:02,603 INFO L87 Difference]: Start difference. First operand 117 states and 182 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:02,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:10:02,737 INFO L93 Difference]: Finished difference Result 187 states and 288 transitions. [2023-11-23 21:10:02,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:10:02,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 174 [2023-11-23 21:10:02,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:10:02,744 INFO L225 Difference]: With dead ends: 187 [2023-11-23 21:10:02,744 INFO L226 Difference]: Without dead ends: 121 [2023-11-23 21:10:02,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:10:02,747 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 49 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:10:02,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 231 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:10:02,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-23 21:10:02,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-11-23 21:10:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 59 states have (on average 1.152542372881356) internal successors, (68), 59 states have internal predecessors, (68), 58 states have call successors, (58), 3 states have call predecessors, (58), 3 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-23 21:10:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 184 transitions. [2023-11-23 21:10:02,779 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 184 transitions. Word has length 174 [2023-11-23 21:10:02,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:10:02,780 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 184 transitions. [2023-11-23 21:10:02,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2023-11-23 21:10:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 184 transitions. [2023-11-23 21:10:02,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-23 21:10:02,785 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:10:02,785 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:10:02,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:10:02,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 21:10:02,990 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:10:02,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:10:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1352054893, now seen corresponding path program 1 times [2023-11-23 21:10:02,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:10:02,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223510079] [2023-11-23 21:10:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:10:02,993 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 21:10:02,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:10:02,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 21:10:02,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72af4c0-3fa4-4338-91e1-ca65e50eb504/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 21:10:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:10:03,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-23 21:10:03,259 INFO L285 TraceCheckSpWp]: Computing forward predicates...