./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ --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 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:52:56,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:52:56,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:52:56,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:52:56,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:52:56,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:52:56,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:52:56,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:52:56,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:52:56,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:52:56,812 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:52:56,813 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:52:56,814 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:52:56,816 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:52:56,817 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:52:56,817 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:52:56,818 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:52:56,818 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:52:56,819 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:52:56,820 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:52:56,820 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:52:56,821 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:52:56,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:52:56,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:52:56,823 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:52:56,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:52:56,824 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:52:56,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:52:56,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:52:56,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:52:56,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:52:56,828 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:52:56,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:52:56,828 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:52:56,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:52:56,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:52:56,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:52:56,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:52:56,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:52:56,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:52:56,831 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:52:56,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:52:56,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:52:56,832 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:52:56,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:52:56,833 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_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 [2023-11-19 04:52:57,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:52:57,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:52:57,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:52:57,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:52:57,239 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:52:57,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-19 04:53:00,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:53:01,166 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:53:01,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-19 04:53:01,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/data/571ad51eb/9d732e1eccf846428cea77e40516fda9/FLAG9707f6b96 [2023-11-19 04:53:01,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/data/571ad51eb/9d732e1eccf846428cea77e40516fda9 [2023-11-19 04:53:01,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:53:01,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:53:01,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:01,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:53:01,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:53:01,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:01,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1181914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01, skipping insertion in model container [2023-11-19 04:53:01,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:01,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:53:01,557 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_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i[916,929] [2023-11-19 04:53:01,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:01,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:53:01,748 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_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i[916,929] [2023-11-19 04:53:01,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:01,897 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:53:01,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01 WrapperNode [2023-11-19 04:53:01,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:01,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:01,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:53:01,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:53:01,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:01,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,027 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2023-11-19 04:53:02,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:02,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:53:02,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:53:02,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:53:02,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:53:02,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:53:02,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:53:02,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:53:02,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (1/1) ... [2023-11-19 04:53:02,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:02,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:02,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:53:02,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:53:02,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:53:02,277 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:53:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:53:02,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:53:02,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:53:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:53:02,456 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:53:02,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:53:03,370 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:53:04,181 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:53:04,181 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:53:04,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:04 BoogieIcfgContainer [2023-11-19 04:53:04,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:53:04,193 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:53:04,193 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:53:04,197 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:53:04,198 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:53:01" (1/3) ... [2023-11-19 04:53:04,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6e2b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:04, skipping insertion in model container [2023-11-19 04:53:04,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:01" (2/3) ... [2023-11-19 04:53:04,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6e2b36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:04, skipping insertion in model container [2023-11-19 04:53:04,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:04" (3/3) ... [2023-11-19 04:53:04,204 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-19 04:53:04,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:53:04,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:53:04,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:53:04,324 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;@1aca943e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:53:04,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:53:04,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:53:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 04:53:04,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:04,349 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:04,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:04,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:04,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1952265332, now seen corresponding path program 1 times [2023-11-19 04:53:04,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:53:04,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317449943] [2023-11-19 04:53:04,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:04,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:53:04,676 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:53:04,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358632214] [2023-11-19 04:53:04,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:04,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:53:04,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:04,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:53:04,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:53:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:53:05,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:53:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:53:05,873 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:53:05,876 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:53:05,878 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:53:05,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:53:06,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:53:06,097 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:53:06,102 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:53:06,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:53:06 BoogieIcfgContainer [2023-11-19 04:53:06,259 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:53:06,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:53:06,265 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:53:06,265 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:53:06,266 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:04" (3/4) ... [2023-11-19 04:53:06,268 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:53:06,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:53:06,274 INFO L158 Benchmark]: Toolchain (without parser) took 5053.10ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 77.7MB in the beginning and 91.3MB in the end (delta: -13.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-11-19 04:53:06,276 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 69.1MB in the beginning and 68.9MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:53:06,276 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.73ms. Allocated memory is still 123.7MB. Free memory was 77.7MB in the beginning and 60.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:53:06,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.37ms. Allocated memory is still 123.7MB. Free memory was 60.4MB in the beginning and 53.7MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:53:06,280 INFO L158 Benchmark]: Boogie Preprocessor took 116.18ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 53.7MB in the beginning and 133.8MB in the end (delta: -80.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-19 04:53:06,282 INFO L158 Benchmark]: RCFGBuilder took 2043.59ms. Allocated memory is still 165.7MB. Free memory was 133.7MB in the beginning and 74.3MB in the end (delta: 59.5MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-11-19 04:53:06,283 INFO L158 Benchmark]: TraceAbstraction took 2070.51ms. Allocated memory is still 165.7MB. Free memory was 73.2MB in the beginning and 91.3MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:53:06,285 INFO L158 Benchmark]: Witness Printer took 7.79ms. Allocated memory is still 165.7MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:53:06,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory was 69.1MB in the beginning and 68.9MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.73ms. Allocated memory is still 123.7MB. Free memory was 77.7MB in the beginning and 60.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 128.37ms. Allocated memory is still 123.7MB. Free memory was 60.4MB in the beginning and 53.7MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.18ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 53.7MB in the beginning and 133.8MB in the end (delta: -80.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2043.59ms. Allocated memory is still 165.7MB. Free memory was 133.7MB in the beginning and 74.3MB in the end (delta: 59.5MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2070.51ms. Allocated memory is still 165.7MB. Free memory was 73.2MB in the beginning and 91.3MB in the end (delta: -18.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.79ms. Allocated memory is still 165.7MB. Free memory is still 91.3MB. 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 70, overapproximation of shiftRight at line 77, overapproximation of bitwiseOr at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] unsigned long int var_1_2 = 3511246143; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 5; [L28] unsigned long int var_1_8 = 2220610682; [L29] unsigned long int var_1_9 = 3786407275; [L30] unsigned char var_1_12 = 64; [L31] unsigned long int var_1_13 = 100; [L32] signed long int var_1_14 = 1; [L33] unsigned long int var_1_15 = 3489174775; [L34] signed char var_1_16 = 1; [L35] signed char var_1_17 = -16; [L36] signed short int var_1_18 = 0; [L37] signed short int var_1_19 = 64; [L38] signed short int var_1_20 = 2; [L39] double var_1_21 = 7.5; [L40] double var_1_22 = 99.5; [L41] signed short int var_1_23 = 500; [L42] unsigned short int var_1_24 = 5; [L43] double var_1_25 = 127.5; [L44] unsigned short int var_1_26 = 33797; [L45] unsigned short int var_1_28 = 27913; [L46] signed long int var_1_30 = 2; [L47] unsigned char last_1_var_1_7 = 5; [L48] signed short int last_1_var_1_18 = 0; [L49] unsigned short int last_1_var_1_24 = 5; [L50] signed long int last_1_var_1_30 = 2; [L201] isInitial = 1 [L202] FCALL initially() [L203] COND TRUE 1 [L204] CALL updateLastVariables() [L191] last_1_var_1_7 = var_1_7 [L192] last_1_var_1_18 = var_1_18 [L193] last_1_var_1_24 = var_1_24 [L194] last_1_var_1_30 = var_1_30 [L204] RET updateLastVariables() [L205] CALL updateVariables() [L149] var_1_2 = __VERIFIER_nondet_ulong() [L150] CALL assume_abort_if_not(var_1_2 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_2 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L151] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L152] var_1_5 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L154] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L155] var_1_6 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L157] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L158] var_1_8 = __VERIFIER_nondet_ulong() [L159] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=3786407275] [L160] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=3786407275] [L161] var_1_9 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L163] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L164] var_1_12 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L166] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L167] var_1_14 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L169] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L170] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L171] var_1_15 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_15 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_15 >= 3221225470) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L173] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L174] var_1_17 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L176] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L177] var_1_21 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L179] var_1_22 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L181] var_1_25 = __VERIFIER_nondet_double() [L182] CALL assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=33797, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L183] var_1_26 = __VERIFIER_nondet_ushort() [L184] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=32770, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=32770, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L185] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=32770, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=32770, var_1_28=27913, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L186] var_1_28 = __VERIFIER_nondet_ushort() [L187] CALL assume_abort_if_not(var_1_28 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=32770, var_1_28=16383, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_28 >= 16383) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=32770, var_1_28=16383, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L188] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=32770, var_1_28=16383, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=-32753, var_1_15=3221225470, var_1_16=1, var_1_17=-127, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=500, var_1_24=5, var_1_25=4, var_1_26=32770, var_1_28=16383, var_1_2=3221192701, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=2147483647] [L205] RET updateVariables() [L206] CALL step() [L54] unsigned long int stepLocal_5 = var_1_9; [L55] unsigned long int stepLocal_4 = (((0u) < (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))) ? (0u) : (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))); [L56] COND FALSE !(last_1_var_1_30 >= stepLocal_5) [L67] var_1_23 = var_1_12 [L69] signed long int stepLocal_6 = -1; [L70] COND TRUE var_1_22 <= ((((var_1_21) < (var_1_25)) ? (var_1_21) : (var_1_25))) [L71] var_1_24 = (((((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) > (last_1_var_1_7)) ? ((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) : (last_1_var_1_7))) [L77] EXPR last_1_var_1_7 >> var_1_2 [L77] COND TRUE (last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24)))) [L78] var_1_7 = var_1_12 [L82] COND FALSE !(((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) >= (- 9.5)) [L85] var_1_1 = (var_1_2 - 8u) [L86] EXPR var_1_12 ^ var_1_7 [L86] signed long int stepLocal_1 = var_1_12 ^ var_1_7; [L87] signed long int stepLocal_0 = var_1_24 % var_1_14; [L88] COND TRUE stepLocal_0 > 16u [L89] COND TRUE var_1_14 < stepLocal_1 [L90] var_1_13 = ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))) [L95] COND TRUE var_1_12 >= var_1_7 [L96] var_1_16 = var_1_17 [L98] unsigned char stepLocal_9 = var_1_6; [L99] unsigned short int stepLocal_8 = var_1_24; [L100] signed char stepLocal_7 = var_1_16; [L101] COND TRUE (last_1_var_1_30 / var_1_26) != stepLocal_8 [L102] COND FALSE !(var_1_23 <= stepLocal_7) [L105] COND FALSE !((var_1_25 != (- 50.7)) && stepLocal_9) [L110] var_1_30 = var_1_7 [L116] COND TRUE ((- var_1_2) + var_1_7) != var_1_24 [L117] COND TRUE var_1_2 >= var_1_24 [L118] var_1_3 = 1 [L125] unsigned long int stepLocal_2 = var_1_2; [L126] COND TRUE var_1_8 > stepLocal_2 [L127] var_1_18 = (((((-32) > (var_1_12)) ? (-32) : (var_1_12))) + ((((var_1_20) < (last_1_var_1_18)) ? (var_1_20) : (last_1_var_1_18)))) [L135] unsigned char stepLocal_3 = var_1_12; [L136] COND TRUE \read(var_1_3) [L137] var_1_19 = var_1_17 [L206] RET step() [L207] CALL, EXPR property() [L197] EXPR ((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12))) [L197] EXPR last_1_var_1_7 >> var_1_2 [L197] EXPR ((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12))) [L197] EXPR (((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7)))))) [L197] EXPR ((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))) [L197] EXPR var_1_12 ^ var_1_7 [L197] EXPR ((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))) [L197] EXPR (((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7)))))) [L197-L198] return ((((((((((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))))) && ((var_1_12 >= var_1_7) ? (var_1_16 == ((signed char) var_1_17)) : 1)) && ((var_1_8 > var_1_2) ? (var_1_18 == ((signed short int) (((((-32) > (var_1_12)) ? (-32) : (var_1_12))) + ((((var_1_20) < (last_1_var_1_18)) ? (var_1_20) : (last_1_var_1_18)))))) : (var_1_3 ? (var_1_18 == ((signed short int) var_1_12)) : (var_1_18 == ((signed short int) var_1_20))))) && (var_1_3 ? (var_1_19 == ((signed short int) var_1_17)) : ((var_1_12 < 100) ? (var_1_19 == ((signed short int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_5 ? (var_1_19 == ((signed short int) var_1_13)) : 1)))) && ((((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) >= (- 9.5)) ? (var_1_20 == ((signed short int) var_1_7)) : 1)) && ((last_1_var_1_30 >= var_1_9) ? (((last_1_var_1_30 / var_1_8) > ((((0u) < (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))) ? (0u) : (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))))) ? (var_1_6 ? (var_1_23 == ((signed short int) var_1_12)) : (var_1_23 == ((signed short int) last_1_var_1_24))) : (var_1_23 == ((signed short int) var_1_17))) : (var_1_23 == ((signed short int) var_1_12)))) && ((var_1_22 <= ((((var_1_21) < (var_1_25)) ? (var_1_21) : (var_1_25)))) ? (var_1_24 == ((unsigned short int) (((((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) > (last_1_var_1_7)) ? ((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) : (last_1_var_1_7))))) : (((last_1_var_1_24 + (last_1_var_1_18 / 16)) < -1) ? (var_1_24 == ((unsigned short int) (((((((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) < (last_1_var_1_24)) ? (((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) : (last_1_var_1_24))) + (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - (last_1_var_1_7 + 2))))) : 1))) && (((last_1_var_1_30 / var_1_26) != var_1_24) ? ((var_1_23 <= var_1_16) ? (var_1_30 == ((signed long int) ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))))) : (((var_1_25 != (- 50.7)) && var_1_6) ? (var_1_6 ? (var_1_30 == ((signed long int) var_1_15)) : 1) : (var_1_30 == ((signed long int) var_1_7)))) : (var_1_30 == ((signed long int) var_1_7))) ; [L207] RET, EXPR property() [L207] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=3221192701, var_1_14=-32753, var_1_15=3221225470, var_1_16=-127, var_1_17=-127, var_1_18=0, var_1_19=-127, var_1_1=3221192693, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=32770, var_1_25=4, var_1_26=32770, var_1_28=16383, var_1_2=3221192701, var_1_30=0, var_1_3=1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=4294967295, var_1_9=2147483647] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=3221192701, var_1_14=-32753, var_1_15=3221225470, var_1_16=-127, var_1_17=-127, var_1_18=0, var_1_19=-127, var_1_1=3221192693, var_1_20=2, var_1_21=2, var_1_22=3, var_1_23=0, var_1_24=32770, var_1_25=4, var_1_26=32770, var_1_28=16383, var_1_2=3221192701, var_1_30=0, var_1_3=1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=4294967295, var_1_9=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 26, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 [2023-11-19 04:53:06,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/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_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ --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 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:53:09,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:53:09,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:53:09,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:53:09,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:53:09,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:53:09,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:53:09,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:53:09,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:53:09,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:53:09,888 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:53:09,888 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:53:09,889 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:53:09,891 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:53:09,892 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:53:09,893 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:53:09,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:53:09,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:53:09,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:53:09,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:53:09,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:53:09,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:53:09,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:53:09,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:53:09,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:53:09,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:53:09,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:53:09,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:53:09,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:53:09,904 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:53:09,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:53:09,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:53:09,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:53:09,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:09,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:53:09,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:53:09,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:53:09,909 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:53:09,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:53:09,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:53:09,911 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:53:09,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:53:09,912 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_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 [2023-11-19 04:53:10,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:53:10,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:53:10,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:53:10,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:53:10,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:53:10,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-19 04:53:13,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:53:14,273 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:53:14,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-19 04:53:14,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/data/10dcf0a22/df5ec1c2f17d4133a04a9ee200e4b11b/FLAGa9292d89b [2023-11-19 04:53:14,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/data/10dcf0a22/df5ec1c2f17d4133a04a9ee200e4b11b [2023-11-19 04:53:14,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:53:14,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:53:14,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:14,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:53:14,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:53:14,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:14,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c45a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14, skipping insertion in model container [2023-11-19 04:53:14,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:14,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:53:14,561 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_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i[916,929] [2023-11-19 04:53:14,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:14,778 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:53:14,799 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_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i[916,929] [2023-11-19 04:53:14,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:53:14,948 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:53:14,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14 WrapperNode [2023-11-19 04:53:14,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:53:14,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:14,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:53:14,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:53:14,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:14,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,043 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-11-19 04:53:15,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:53:15,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:53:15,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:53:15,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:53:15,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:53:15,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:53:15,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:53:15,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:53:15,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (1/1) ... [2023-11-19 04:53:15,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:53:15,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:15,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:53:15,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:53:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:53:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:53:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:53:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:53:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:53:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:53:15,398 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:53:15,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:53:16,384 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:53:16,395 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:53:16,395 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:53:16,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:16 BoogieIcfgContainer [2023-11-19 04:53:16,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:53:16,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:53:16,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:53:16,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:53:16,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:53:14" (1/3) ... [2023-11-19 04:53:16,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5552e070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:16, skipping insertion in model container [2023-11-19 04:53:16,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:53:14" (2/3) ... [2023-11-19 04:53:16,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5552e070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:53:16, skipping insertion in model container [2023-11-19 04:53:16,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:53:16" (3/3) ... [2023-11-19 04:53:16,415 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-19 04:53:16,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:53:16,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:53:16,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:53:16,512 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;@7e4aba13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:53:16,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:53:16,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:53:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 04:53:16,545 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:16,547 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:16,550 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:16,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:16,558 INFO L85 PathProgramCache]: Analyzing trace with hash -522773436, now seen corresponding path program 1 times [2023-11-19 04:53:16,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:53:16,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156904786] [2023-11-19 04:53:16,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:16,583 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 [2023-11-19 04:53:16,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:53:16,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:53:16,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 04:53:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:17,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:53:17,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-19 04:53:17,927 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:53:18,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-19 04:53:18,506 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:53:18,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156904786] [2023-11-19 04:53:18,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156904786] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:53:18,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [37589094] [2023-11-19 04:53:18,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:18,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:53:18,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:53:18,510 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:53:18,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:53:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:19,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:53:19,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:20,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-19 04:53:20,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:53:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-19 04:53:20,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [37589094] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:53:20,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632699148] [2023-11-19 04:53:20,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:20,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:53:20,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:20,448 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:53:20,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 04:53:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:20,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:53:20,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-19 04:53:21,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:53:21,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-19 04:53:21,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632699148] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:53:21,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 04:53:21,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-19 04:53:21,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418192601] [2023-11-19 04:53:21,589 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 04:53:21,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 04:53:21,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:53:21,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 04:53:21,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:53:21,628 INFO L87 Difference]: Start difference. First operand has 85 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 57 states have internal predecessors, (82), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-19 04:53:22,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:53:22,854 INFO L93 Difference]: Finished difference Result 255 states and 458 transitions. [2023-11-19 04:53:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 04:53:22,857 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 168 [2023-11-19 04:53:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:53:22,869 INFO L225 Difference]: With dead ends: 255 [2023-11-19 04:53:22,870 INFO L226 Difference]: Without dead ends: 173 [2023-11-19 04:53:22,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1014 GetRequests, 994 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-19 04:53:22,878 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 245 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:53:22,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 312 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 04:53:22,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-19 04:53:22,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 90. [2023-11-19 04:53:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-19 04:53:22,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 134 transitions. [2023-11-19 04:53:22,943 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 134 transitions. Word has length 168 [2023-11-19 04:53:22,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:53:22,945 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 134 transitions. [2023-11-19 04:53:22,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-19 04:53:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 134 transitions. [2023-11-19 04:53:22,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 04:53:22,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:53:22,950 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:53:22,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:53:23,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:53:23,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-19 04:53:23,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:53:23,572 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:53:23,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:53:23,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1883338731, now seen corresponding path program 1 times [2023-11-19 04:53:23,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:53:23,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [246366567] [2023-11-19 04:53:23,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:23,577 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 [2023-11-19 04:53:23,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:53:23,579 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 04:53:23,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/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 (5)] Waiting until timeout for monitored process [2023-11-19 04:53:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:24,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:53:24,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 584 proven. 105 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2023-11-19 04:53:26,515 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:53:26,859 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:53:26,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [246366567] [2023-11-19 04:53:26,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [246366567] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:53:26,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1654027079] [2023-11-19 04:53:26,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:26,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:53:26,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:53:26,862 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:53:26,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 04:53:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:29,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:53:29,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 333 proven. 9 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2023-11-19 04:53:32,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:53:37,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1654027079] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:53:37,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923783856] [2023-11-19 04:53:37,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:53:37,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:53:37,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:53:37,339 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:53:37,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1228d599-0bc3-498e-a252-7ce8f4a6f5ce/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 04:53:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:53:37,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:53:37,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:53:40,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 333 proven. 9 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2023-11-19 04:53:40,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:53:42,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923783856] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 04:53:42,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 04:53:42,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2023-11-19 04:53:42,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977642642] [2023-11-19 04:53:42,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 04:53:42,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-19 04:53:42,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:53:42,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-19 04:53:42,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2023-11-19 04:53:42,580 INFO L87 Difference]: Start difference. First operand 90 states and 134 transitions. Second operand has 17 states, 17 states have (on average 5.411764705882353) internal successors, (92), 16 states have internal predecessors, (92), 5 states have call successors, (52), 5 states have call predecessors, (52), 8 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52)