./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E --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 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:18:02,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:18:02,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 04:18:02,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:18:02,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:18:02,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:18:02,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:18:02,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:18:02,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:18:02,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:18:02,997 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:18:02,997 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:18:02,997 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:18:02,997 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:18:02,997 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:18:02,997 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:18:02,997 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:18:02,997 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:18:02,998 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:18:02,998 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:18:02,998 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:18:02,998 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:18:02,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:18:02,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:18:02,999 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 04:18:02,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:18:03,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 04:18:03,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:18:03,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:18:03,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:18:03,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:18:03,001 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:18:03,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 04:18:03,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:18:03,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:18:03,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:18:03,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:18:03,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:18:03,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:03,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:18:03,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:18:03,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:18:03,003 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:18:03,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:18:03,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:18:03,003 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:18:03,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:18:03,003 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E 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 -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2024-11-14 04:18:03,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:18:03,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:18:03,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:18:03,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:18:03,375 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:18:03,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i Unable to find full path for "g++" [2024-11-14 04:18:05,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:18:06,084 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:18:06,085 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2024-11-14 04:18:06,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/data/f0f22b2d2/19c2a9aba49e4a4b884042fea9c5d322/FLAGe6981f269 [2024-11-14 04:18:06,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/data/f0f22b2d2/19c2a9aba49e4a4b884042fea9c5d322 [2024-11-14 04:18:06,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:18:06,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:18:06,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:06,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:18:06,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:18:06,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:06" (1/1) ... [2024-11-14 04:18:06,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4037fa73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:06, skipping insertion in model container [2024-11-14 04:18:06,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:18:06" (1/1) ... [2024-11-14 04:18:06,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:18:06,839 WARN L250 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_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2024-11-14 04:18:06,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:06,997 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:18:07,046 WARN L250 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_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i[33021,33034] [2024-11-14 04:18:07,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:18:07,168 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:18:07,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07 WrapperNode [2024-11-14 04:18:07,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:18:07,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:07,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:18:07,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:18:07,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,279 INFO L138 Inliner]: procedures = 176, calls = 179, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 820 [2024-11-14 04:18:07,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:18:07,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:18:07,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:18:07,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:18:07,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:18:07,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:18:07,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:18:07,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:18:07,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (1/1) ... [2024-11-14 04:18:07,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:18:07,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:18:07,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:18:07,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:18:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 04:18:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-14 04:18:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-14 04:18:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 04:18:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-14 04:18:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-14 04:18:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 04:18:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:18:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 04:18:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 04:18:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 04:18:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:18:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:18:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:18:07,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:18:07,784 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:18:09,574 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2024-11-14 04:18:09,575 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:18:10,754 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:18:10,757 INFO L316 CfgBuilder]: Removed 31 assume(true) statements. [2024-11-14 04:18:10,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:10 BoogieIcfgContainer [2024-11-14 04:18:10,758 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:18:10,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:18:10,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:18:10,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:18:10,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:18:06" (1/3) ... [2024-11-14 04:18:10,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ca9fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:10, skipping insertion in model container [2024-11-14 04:18:10,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:18:07" (2/3) ... [2024-11-14 04:18:10,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ca9fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:18:10, skipping insertion in model container [2024-11-14 04:18:10,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:18:10" (3/3) ... [2024-11-14 04:18:10,773 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test1-1.i [2024-11-14 04:18:10,796 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:18:10,799 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_SFH_test1-1.i that has 3 procedures, 85 locations, 1 initial locations, 19 loop locations, and 1 error locations. [2024-11-14 04:18:10,876 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:18:10,896 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@11af90f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:18:10,898 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:18:10,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 68 states have (on average 1.7352941176470589) internal successors, (118), 79 states have internal predecessors, (118), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 04:18:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:18:10,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:10,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:10,914 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:10,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:10,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1080360827, now seen corresponding path program 1 times [2024-11-14 04:18:10,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:10,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143776511] [2024-11-14 04:18:10,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:10,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:18:11,156 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:11,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143776511] [2024-11-14 04:18:11,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143776511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:11,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:11,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:11,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920958515] [2024-11-14 04:18:11,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:11,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:11,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:11,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:11,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:11,194 INFO L87 Difference]: Start difference. First operand has 85 states, 68 states have (on average 1.7352941176470589) internal successors, (118), 79 states have internal predecessors, (118), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:18:14,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:18:16,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:18:18,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:18:20,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:18:21,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:18:22,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:22,712 INFO L93 Difference]: Finished difference Result 221 states and 388 transitions. [2024-11-14 04:18:22,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:22,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-14 04:18:22,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:22,729 INFO L225 Difference]: With dead ends: 221 [2024-11-14 04:18:22,729 INFO L226 Difference]: Without dead ends: 136 [2024-11-14 04:18:22,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:22,742 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 53 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-14 04:18:22,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 200 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2024-11-14 04:18:22,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2024-11-14 04:18:22,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 85. [2024-11-14 04:18:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 69 states have (on average 1.2608695652173914) internal successors, (87), 79 states have internal predecessors, (87), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 04:18:22,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 113 transitions. [2024-11-14 04:18:22,816 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 113 transitions. Word has length 8 [2024-11-14 04:18:22,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:22,817 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 113 transitions. [2024-11-14 04:18:22,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:18:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 113 transitions. [2024-11-14 04:18:22,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-14 04:18:22,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:22,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:22,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:18:22,822 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:22,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:22,825 INFO L85 PathProgramCache]: Analyzing trace with hash 501243204, now seen corresponding path program 1 times [2024-11-14 04:18:22,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:22,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070555481] [2024-11-14 04:18:22,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:22,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:18:23,541 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:23,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070555481] [2024-11-14 04:18:23,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070555481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:23,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:18:23,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 04:18:23,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065222345] [2024-11-14 04:18:23,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:23,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 04:18:23,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:23,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 04:18:23,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:23,545 INFO L87 Difference]: Start difference. First operand 85 states and 113 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:18:25,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:18:27,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:18:29,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:18:31,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:18:33,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:18:35,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:18:35,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:18:35,285 INFO L93 Difference]: Finished difference Result 182 states and 240 transitions. [2024-11-14 04:18:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 04:18:35,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-11-14 04:18:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:18:35,295 INFO L225 Difference]: With dead ends: 182 [2024-11-14 04:18:35,295 INFO L226 Difference]: Without dead ends: 99 [2024-11-14 04:18:35,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 04:18:35,297 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 4 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:18:35,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 188 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 3 Unknown, 0 Unchecked, 11.7s Time] [2024-11-14 04:18:35,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-14 04:18:35,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-14 04:18:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.2289156626506024) internal successors, (102), 93 states have internal predecessors, (102), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-14 04:18:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 128 transitions. [2024-11-14 04:18:35,313 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 128 transitions. Word has length 35 [2024-11-14 04:18:35,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:18:35,342 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 128 transitions. [2024-11-14 04:18:35,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:18:35,343 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 128 transitions. [2024-11-14 04:18:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-14 04:18:35,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:18:35,344 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:18:35,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 04:18:35,344 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:18:35,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:18:35,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1788064170, now seen corresponding path program 1 times [2024-11-14 04:18:35,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:18:35,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368482860] [2024-11-14 04:18:35,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:35,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:18:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:36,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:18:36,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:18:36,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368482860] [2024-11-14 04:18:36,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368482860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:18:36,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958105568] [2024-11-14 04:18:36,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:18:36,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:18:36,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:18:36,038 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:18:36,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 04:18:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:18:36,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:18:36,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:18:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:18:36,740 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:18:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 04:18:36,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958105568] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:18:36,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [926819975] [2024-11-14 04:18:36,949 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2024-11-14 04:18:36,949 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:18:36,954 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:18:36,960 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:18:36,961 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:18:43,386 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 121 for LOIs [2024-11-14 04:18:43,425 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:18:54,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [926819975] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:18:54,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:18:54,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4, 4] total 17 [2024-11-14 04:18:54,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236785183] [2024-11-14 04:18:54,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:18:54,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 04:18:54,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:18:54,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 04:18:54,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=183, Unknown=6, NotChecked=0, Total=272 [2024-11-14 04:18:54,270 INFO L87 Difference]: Start difference. First operand 99 states and 128 transitions. Second operand has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:18:56,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-14 04:18:58,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:00,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:02,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:05,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:07,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:09,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:11,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:13,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:15,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:17,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:19,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:21,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:23,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:25,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:27,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:29,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:31,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:33,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:39,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:19:42,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:19:44,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:19:46,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:48,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-14 04:19:49,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 04:19:53,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:19:55,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:19:55,306 INFO L93 Difference]: Finished difference Result 195 states and 256 transitions. [2024-11-14 04:19:55,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 04:19:55,311 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2024-11-14 04:19:55,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:19:55,313 INFO L225 Difference]: With dead ends: 195 [2024-11-14 04:19:55,313 INFO L226 Difference]: Without dead ends: 101 [2024-11-14 04:19:55,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=92, Invalid=207, Unknown=7, NotChecked=0, Total=306 [2024-11-14 04:19:55,315 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 10 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 2 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.7s IncrementalHoareTripleChecker+Time [2024-11-14 04:19:55,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 593 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 318 Invalid, 27 Unknown, 0 Unchecked, 60.7s Time] [2024-11-14 04:19:55,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-14 04:19:55,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-14 04:19:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 84 states have (on average 1.2142857142857142) internal successors, (102), 94 states have internal predecessors, (102), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-14 04:19:55,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 130 transitions. [2024-11-14 04:19:55,349 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 130 transitions. Word has length 48 [2024-11-14 04:19:55,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:19:55,350 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 130 transitions. [2024-11-14 04:19:55,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 11 states have internal predecessors, (41), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-14 04:19:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 130 transitions. [2024-11-14 04:19:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-14 04:19:55,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:19:55,352 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:19:55,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 04:19:55,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:19:55,553 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:19:55,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:19:55,553 INFO L85 PathProgramCache]: Analyzing trace with hash 718226006, now seen corresponding path program 1 times [2024-11-14 04:19:55,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:19:55,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205389999] [2024-11-14 04:19:55,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:19:55,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:19:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:19:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:19:56,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:19:56,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205389999] [2024-11-14 04:19:56,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205389999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:19:56,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841210743] [2024-11-14 04:19:56,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:19:56,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:19:56,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:19:56,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:19:56,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 04:19:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:19:56,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 04:19:56,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:19:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:19:56,633 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:19:56,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:19:56,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841210743] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:19:56,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [62366434] [2024-11-14 04:19:56,862 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2024-11-14 04:19:56,862 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:19:56,863 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:19:56,863 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:19:56,863 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:20:26,400 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2024-11-14 04:20:26,420 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 301 for LOIs [2024-11-14 04:20:27,958 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:21:29,987 WARN L286 SmtUtils]: Spent 28.50s on a formula simplification. DAG size of input: 301 DAG size of output: 291 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:21:46,319 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:21:56,420 WARN L286 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 183 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:21:58,441 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (let ((.cse23 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_27| 4294967296)))))) (or (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#valid_57| (Array Int Int)) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_316| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_316| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#length_41| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_24| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_int_351| (Array Int (Array Int Int)))) (let ((.cse16 (select (select |v_#memory_$Pointer$.base_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ 16 (select (select |v_#memory_$Pointer$.offset_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse7 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_96| .cse7 (store (select |v_#memory_$Pointer$.offset_96| .cse7) .cse8 0))) (.cse13 (store |v_#memory_$Pointer$.base_97| .cse7 (store (select |v_#memory_$Pointer$.base_97| .cse7) .cse8 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|))) (.cse18 (store |v_#memory_$Pointer$.offset_316| .cse16 (store (select |v_#memory_$Pointer$.offset_316| .cse16) .cse17 8))) (.cse19 (store |v_#memory_$Pointer$.base_316| .cse16 (store (select |v_#memory_$Pointer$.base_316| .cse16) .cse17 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse21 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse22 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse4 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse0 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| .cse21) .cse22)) (.cse11 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (+ (select (select .cse18 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse14 (select (select .cse13 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse2 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse1 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| .cse21) .cse22))) (and (or (not (= .cse0 0)) (not (= .cse1 0))) (= (store |v_#memory_$Pointer$.offset_97| .cse2 (store (select |v_#memory_$Pointer$.offset_97| .cse2) .cse3 (select (select |v_#memory_$Pointer$.offset_96| .cse2) .cse3))) |v_#memory_$Pointer$.offset_96|) (= |c_#valid| (store |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= |v_#memory_$Pointer$.base_95| (store |v_#memory_$Pointer$.base_96| .cse4 (store (select |v_#memory_$Pointer$.base_96| .cse4) .cse5 (select (select |v_#memory_$Pointer$.base_95| .cse4) .cse5)))) (= (let ((.cse6 (let ((.cse9 (let ((.cse10 (store |v_#memory_int_102| .cse11 (store (select |v_#memory_int_102| .cse11) .cse12 32)))) (store .cse10 .cse4 (store (select .cse10 .cse4) .cse5 5))))) (store .cse9 .cse2 (store (select .cse9 .cse2) .cse3 8))))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 (select (select |v_#memory_int_103| .cse7) .cse8)))) |v_#memory_int_103|) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (= (store |v_#length_41| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384) |c_#length|) (= (select |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= (store |v_#memory_$Pointer$.offset_95| .cse4 (store (select |v_#memory_$Pointer$.offset_95| .cse4) .cse5 (select (select |v_#memory_$Pointer$.offset_97| .cse4) .cse5))) |v_#memory_$Pointer$.offset_97|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| (store .cse13 .cse14 (store (select .cse13 .cse14) .cse15 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| .cse14) .cse15)))) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse0) (= (store |v_#memory_int_351| .cse16 (store (select |v_#memory_int_351| .cse16) .cse17 (select (select |v_#memory_int_102| .cse16) .cse17))) |v_#memory_int_102|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse18 .cse11 (store (select .cse18 .cse11) .cse12 (select (select |v_#memory_$Pointer$.offset_95| .cse11) .cse12))) |v_#memory_$Pointer$.offset_95|) (= (store .cse19 .cse11 (store (select .cse19 .cse11) .cse12 (select (select |v_#memory_$Pointer$.base_96| .cse11) .cse12))) |v_#memory_$Pointer$.base_96|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| (store .cse20 .cse14 (store (select .cse20 .cse14) .cse15 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| .cse14) .cse15)))) (= (store |v_#memory_$Pointer$.base_95| .cse2 (store (select |v_#memory_$Pointer$.base_95| .cse2) .cse3 (select (select |v_#memory_$Pointer$.base_97| .cse2) .cse3))) |v_#memory_$Pointer$.base_97|) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse1)))))) .cse23) (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#valid_57| (Array Int Int)) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_316| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_316| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#length_41| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_BEFORE_CALL_39| (Array Int (Array Int Int))) (|v_#memory_int_351| (Array Int (Array Int Int)))) (let ((.cse33 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (select (select |v_#memory_$Pointer$.base_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (+ 16 (select (select |v_#memory_$Pointer$.offset_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse42 (store |v_#memory_$Pointer$.offset_316| .cse40 (store (select |v_#memory_$Pointer$.offset_316| .cse40) .cse41 8))) (.cse44 (store |v_#memory_$Pointer$.base_316| .cse40 (store (select |v_#memory_$Pointer$.base_316| .cse40) .cse41 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse26 (store |v_#memory_$Pointer$.offset_96| .cse33 (store (select |v_#memory_$Pointer$.offset_96| .cse33) .cse34 0))) (.cse43 (store |v_#memory_$Pointer$.base_97| .cse33 (store (select |v_#memory_$Pointer$.base_97| .cse33) .cse34 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|))) (.cse45 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_39| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse46 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse29 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_39| .cse45) .cse46)) (.cse30 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse31 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse39 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| .cse45) .cse46)) (.cse27 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ (select (select .cse26 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse37 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse24 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20))) (and (= (store |v_#memory_$Pointer$.offset_97| .cse24 (store (select |v_#memory_$Pointer$.offset_97| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_96| .cse24) .cse25))) |v_#memory_$Pointer$.offset_96|) (= |c_#valid| (store |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| (store .cse26 .cse27 (store (select .cse26 .cse27) .cse28 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| .cse27) .cse28)))) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse29) (= |v_#memory_$Pointer$.base_95| (store |v_#memory_$Pointer$.base_96| .cse30 (store (select |v_#memory_$Pointer$.base_96| .cse30) .cse31 (select (select |v_#memory_$Pointer$.base_95| .cse30) .cse31)))) (= (let ((.cse32 (let ((.cse35 (let ((.cse36 (store |v_#memory_int_102| .cse37 (store (select |v_#memory_int_102| .cse37) .cse38 32)))) (store .cse36 .cse30 (store (select .cse36 .cse30) .cse31 5))))) (store .cse35 .cse24 (store (select .cse35 .cse24) .cse25 8))))) (store .cse32 .cse33 (store (select .cse32 .cse33) .cse34 (select (select |v_#memory_int_103| .cse33) .cse34)))) |v_#memory_int_103|) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (or (not (= .cse29 0)) (not (= .cse39 0))) (= (store |v_#length_41| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384) |c_#length|) (= (select |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= (store |v_#memory_$Pointer$.offset_95| .cse30 (store (select |v_#memory_$Pointer$.offset_95| .cse30) .cse31 (select (select |v_#memory_$Pointer$.offset_97| .cse30) .cse31))) |v_#memory_$Pointer$.offset_97|) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse39) (= (store |v_#memory_int_351| .cse40 (store (select |v_#memory_int_351| .cse40) .cse41 (select (select |v_#memory_int_102| .cse40) .cse41))) |v_#memory_int_102|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse42 .cse37 (store (select .cse42 .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_95| .cse37) .cse38))) |v_#memory_$Pointer$.offset_95|) (= (store .cse43 .cse27 (store (select .cse43 .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_39| .cse27) .cse28))) |v_#memory_$Pointer$.base_BEFORE_CALL_39|) (= (store .cse44 .cse37 (store (select .cse44 .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_96| .cse37) .cse38))) |v_#memory_$Pointer$.base_96|) (= (store |v_#memory_$Pointer$.base_95| .cse24 (store (select |v_#memory_$Pointer$.base_95| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_97| .cse24) .cse25))) |v_#memory_$Pointer$.base_97|)))))) .cse23)))) is different from false [2024-11-14 04:23:09,502 WARN L286 SmtUtils]: Spent 30.89s on a formula simplification that was a NOOP. DAG size: 210 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:23:11,529 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse21 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_27| 4294967296)))))) (or (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#valid_57| (Array Int Int)) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_316| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_316| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#length_41| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_BEFORE_CALL_39| (Array Int (Array Int Int))) (|v_#memory_int_351| (Array Int (Array Int Int)))) (let ((.cse8 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (select (select |v_#memory_$Pointer$.base_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ 16 (select (select |v_#memory_$Pointer$.offset_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse18 (store |v_#memory_$Pointer$.offset_316| .cse16 (store (select |v_#memory_$Pointer$.offset_316| .cse16) .cse17 8))) (.cse20 (store |v_#memory_$Pointer$.base_316| .cse16 (store (select |v_#memory_$Pointer$.base_316| .cse16) .cse17 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse2 (store |v_#memory_$Pointer$.offset_96| .cse8 (store (select |v_#memory_$Pointer$.offset_96| .cse8) .cse9 0))) (.cse19 (store |v_#memory_$Pointer$.base_97| .cse8 (store (select |v_#memory_$Pointer$.base_97| .cse8) .cse9 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|)))) (let ((.cse5 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse3 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse12 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ (select (select .cse18 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse0 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20))) (and (= (store |v_#memory_$Pointer$.offset_97| .cse0 (store (select |v_#memory_$Pointer$.offset_97| .cse0) .cse1 (select (select |v_#memory_$Pointer$.offset_96| .cse0) .cse1))) |v_#memory_$Pointer$.offset_96|) (= |c_#valid| (store |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| .cse3) .cse4)))) (= |v_#memory_$Pointer$.base_95| (store |v_#memory_$Pointer$.base_96| .cse5 (store (select |v_#memory_$Pointer$.base_96| .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_95| .cse5) .cse6)))) (= (let ((.cse7 (let ((.cse10 (let ((.cse11 (store |v_#memory_int_102| .cse12 (store (select |v_#memory_int_102| .cse12) .cse13 32)))) (store .cse11 .cse5 (store (select .cse11 .cse5) .cse6 5))))) (store .cse10 .cse0 (store (select .cse10 .cse0) .cse1 8))))) (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 (select (select |v_#memory_int_103| .cse8) .cse9)))) |v_#memory_int_103|) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (let ((.cse14 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_39| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_39| .cse14) .cse15) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| .cse14) .cse15) 0)))) (= (store |v_#length_41| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384) |c_#length|) (= (select |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= (store |v_#memory_$Pointer$.offset_95| .cse5 (store (select |v_#memory_$Pointer$.offset_95| .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_97| .cse5) .cse6))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_int_351| .cse16 (store (select |v_#memory_int_351| .cse16) .cse17 (select (select |v_#memory_int_102| .cse16) .cse17))) |v_#memory_int_102|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse18 .cse12 (store (select .cse18 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_95| .cse12) .cse13))) |v_#memory_$Pointer$.offset_95|) (= (store .cse19 .cse3 (store (select .cse19 .cse3) .cse4 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_39| .cse3) .cse4))) |v_#memory_$Pointer$.base_BEFORE_CALL_39|) (= (store .cse20 .cse12 (store (select .cse20 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_96| .cse12) .cse13))) |v_#memory_$Pointer$.base_96|) (= (store |v_#memory_$Pointer$.base_95| .cse0 (store (select |v_#memory_$Pointer$.base_95| .cse0) .cse1 (select (select |v_#memory_$Pointer$.base_97| .cse0) .cse1))) |v_#memory_$Pointer$.base_97|)))))) .cse21) (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#valid_57| (Array Int Int)) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_316| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_316| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#length_41| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_24| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_int_351| (Array Int (Array Int Int)))) (let ((.cse38 (select (select |v_#memory_$Pointer$.base_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (+ 16 (select (select |v_#memory_$Pointer$.offset_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse29 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse42 (store |v_#memory_$Pointer$.offset_96| .cse29 (store (select |v_#memory_$Pointer$.offset_96| .cse29) .cse30 0))) (.cse35 (store |v_#memory_$Pointer$.base_97| .cse29 (store (select |v_#memory_$Pointer$.base_97| .cse29) .cse30 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|))) (.cse40 (store |v_#memory_$Pointer$.offset_316| .cse38 (store (select |v_#memory_$Pointer$.offset_316| .cse38) .cse39 8))) (.cse41 (store |v_#memory_$Pointer$.base_316| .cse38 (store (select |v_#memory_$Pointer$.base_316| .cse38) .cse39 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse26 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse33 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse36 (select (select .cse35 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (+ (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse24 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20))) (and (let ((.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| .cse22) .cse23) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| .cse22) .cse23) 0)))) (= (store |v_#memory_$Pointer$.offset_97| .cse24 (store (select |v_#memory_$Pointer$.offset_97| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_96| .cse24) .cse25))) |v_#memory_$Pointer$.offset_96|) (= |c_#valid| (store |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= |v_#memory_$Pointer$.base_95| (store |v_#memory_$Pointer$.base_96| .cse26 (store (select |v_#memory_$Pointer$.base_96| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_95| .cse26) .cse27)))) (= (let ((.cse28 (let ((.cse31 (let ((.cse32 (store |v_#memory_int_102| .cse33 (store (select |v_#memory_int_102| .cse33) .cse34 32)))) (store .cse32 .cse26 (store (select .cse32 .cse26) .cse27 5))))) (store .cse31 .cse24 (store (select .cse31 .cse24) .cse25 8))))) (store .cse28 .cse29 (store (select .cse28 .cse29) .cse30 (select (select |v_#memory_int_103| .cse29) .cse30)))) |v_#memory_int_103|) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (= (store |v_#length_41| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384) |c_#length|) (= (select |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= (store |v_#memory_$Pointer$.offset_95| .cse26 (store (select |v_#memory_$Pointer$.offset_95| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_97| .cse26) .cse27))) |v_#memory_$Pointer$.offset_97|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| (store .cse35 .cse36 (store (select .cse35 .cse36) .cse37 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| .cse36) .cse37)))) (= (store |v_#memory_int_351| .cse38 (store (select |v_#memory_int_351| .cse38) .cse39 (select (select |v_#memory_int_102| .cse38) .cse39))) |v_#memory_int_102|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse40 .cse33 (store (select .cse40 .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_95| .cse33) .cse34))) |v_#memory_$Pointer$.offset_95|) (= (store .cse41 .cse33 (store (select .cse41 .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_96| .cse33) .cse34))) |v_#memory_$Pointer$.base_96|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| (store .cse42 .cse36 (store (select .cse42 .cse36) .cse37 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| .cse36) .cse37)))) (= (store |v_#memory_$Pointer$.base_95| .cse24 (store (select |v_#memory_$Pointer$.base_95| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_97| .cse24) .cse25))) |v_#memory_$Pointer$.base_97|)))))) .cse21)))) is different from false [2024-11-14 04:25:05,960 WARN L286 SmtUtils]: Spent 1.27m on a formula simplification that was a NOOP. DAG size: 246 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:25:07,979 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (exists ((|v_#memory_$Pointer$.offset_317| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_317| (Array Int (Array Int Int))) (|v_#memory_int_352| (Array Int (Array Int Int)))) (let ((.cse1 (+ (select (select |v_#memory_$Pointer$.offset_317| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12)) (.cse0 (select (select |v_#memory_$Pointer$.base_317| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= (store |v_#memory_$Pointer$.offset_317| .cse0 (store (select |v_#memory_$Pointer$.offset_317| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1))) |c_#memory_$Pointer$.offset|) (= (store |v_#memory_$Pointer$.base_317| .cse0 (store (select |v_#memory_$Pointer$.base_317| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1))) |c_#memory_$Pointer$.base|) (= (store |v_#memory_int_352| .cse0 (let ((.cse2 (select |v_#memory_int_352| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse24 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_27| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_27|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_27| 4294967296)))))) (or (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#valid_57| (Array Int Int)) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_316| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_316| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#length_41| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_BEFORE_CALL_39| (Array Int (Array Int Int))) (|v_#memory_int_351| (Array Int (Array Int Int)))) (let ((.cse11 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.base_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (+ 16 (select (select |v_#memory_$Pointer$.offset_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse21 (store |v_#memory_$Pointer$.offset_316| .cse19 (store (select |v_#memory_$Pointer$.offset_316| .cse19) .cse20 8))) (.cse23 (store |v_#memory_$Pointer$.base_316| .cse19 (store (select |v_#memory_$Pointer$.base_316| .cse19) .cse20 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse5 (store |v_#memory_$Pointer$.offset_96| .cse11 (store (select |v_#memory_$Pointer$.offset_96| .cse11) .cse12 0))) (.cse22 (store |v_#memory_$Pointer$.base_97| .cse11 (store (select |v_#memory_$Pointer$.base_97| .cse11) .cse12 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|)))) (let ((.cse8 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse6 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse15 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (+ (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse3 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20))) (and (= (store |v_#memory_$Pointer$.offset_97| .cse3 (store (select |v_#memory_$Pointer$.offset_97| .cse3) .cse4 (select (select |v_#memory_$Pointer$.offset_96| .cse3) .cse4))) |v_#memory_$Pointer$.offset_96|) (= |c_#valid| (store |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| .cse6) .cse7)))) (= |v_#memory_$Pointer$.base_95| (store |v_#memory_$Pointer$.base_96| .cse8 (store (select |v_#memory_$Pointer$.base_96| .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_95| .cse8) .cse9)))) (= (let ((.cse10 (let ((.cse13 (let ((.cse14 (store |v_#memory_int_102| .cse15 (store (select |v_#memory_int_102| .cse15) .cse16 32)))) (store .cse14 .cse8 (store (select .cse14 .cse8) .cse9 5))))) (store .cse13 .cse3 (store (select .cse13 .cse3) .cse4 8))))) (store .cse10 .cse11 (store (select .cse10 .cse11) .cse12 (select (select |v_#memory_int_103| .cse11) .cse12)))) |v_#memory_int_103|) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (let ((.cse17 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_39| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse18 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_39| .cse17) .cse18) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_23| .cse17) .cse18) 0)))) (= (store |v_#length_41| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384) |c_#length|) (= (select |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= (store |v_#memory_$Pointer$.offset_95| .cse8 (store (select |v_#memory_$Pointer$.offset_95| .cse8) .cse9 (select (select |v_#memory_$Pointer$.offset_97| .cse8) .cse9))) |v_#memory_$Pointer$.offset_97|) (= (store |v_#memory_int_351| .cse19 (store (select |v_#memory_int_351| .cse19) .cse20 (select (select |v_#memory_int_102| .cse19) .cse20))) |v_#memory_int_102|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse21 .cse15 (store (select .cse21 .cse15) .cse16 (select (select |v_#memory_$Pointer$.offset_95| .cse15) .cse16))) |v_#memory_$Pointer$.offset_95|) (= (store .cse22 .cse6 (store (select .cse22 .cse6) .cse7 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_39| .cse6) .cse7))) |v_#memory_$Pointer$.base_BEFORE_CALL_39|) (= (store .cse23 .cse15 (store (select .cse23 .cse15) .cse16 (select (select |v_#memory_$Pointer$.base_96| .cse15) .cse16))) |v_#memory_$Pointer$.base_96|) (= (store |v_#memory_$Pointer$.base_95| .cse3 (store (select |v_#memory_$Pointer$.base_95| .cse3) .cse4 (select (select |v_#memory_$Pointer$.base_97| .cse3) .cse4))) |v_#memory_$Pointer$.base_97|)))))) .cse24) (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#valid_57| (Array Int Int)) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_316| (Array Int (Array Int Int))) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_316| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#length_41| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_24| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_int_351| (Array Int (Array Int Int)))) (let ((.cse41 (select (select |v_#memory_$Pointer$.base_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (+ 16 (select (select |v_#memory_$Pointer$.offset_316| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse32 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse45 (store |v_#memory_$Pointer$.offset_96| .cse32 (store (select |v_#memory_$Pointer$.offset_96| .cse32) .cse33 0))) (.cse38 (store |v_#memory_$Pointer$.base_97| .cse32 (store (select |v_#memory_$Pointer$.base_97| .cse32) .cse33 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|))) (.cse43 (store |v_#memory_$Pointer$.offset_316| .cse41 (store (select |v_#memory_$Pointer$.offset_316| .cse41) .cse42 8))) (.cse44 (store |v_#memory_$Pointer$.base_316| .cse41 (store (select |v_#memory_$Pointer$.base_316| .cse41) .cse42 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse29 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse36 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (+ (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse39 (select (select .cse38 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (+ (select (select .cse45 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse27 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20))) (and (let ((.cse25 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| .cse25) .cse26) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| .cse25) .cse26) 0)))) (= (store |v_#memory_$Pointer$.offset_97| .cse27 (store (select |v_#memory_$Pointer$.offset_97| .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_96| .cse27) .cse28))) |v_#memory_$Pointer$.offset_96|) (= |c_#valid| (store |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= |v_#memory_$Pointer$.base_95| (store |v_#memory_$Pointer$.base_96| .cse29 (store (select |v_#memory_$Pointer$.base_96| .cse29) .cse30 (select (select |v_#memory_$Pointer$.base_95| .cse29) .cse30)))) (= (let ((.cse31 (let ((.cse34 (let ((.cse35 (store |v_#memory_int_102| .cse36 (store (select |v_#memory_int_102| .cse36) .cse37 32)))) (store .cse35 .cse29 (store (select .cse35 .cse29) .cse30 5))))) (store .cse34 .cse27 (store (select .cse34 .cse27) .cse28 8))))) (store .cse31 .cse32 (store (select .cse31 .cse32) .cse33 (select (select |v_#memory_int_103| .cse32) .cse33)))) |v_#memory_int_103|) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (= (store |v_#length_41| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384) |c_#length|) (= (select |v_#valid_57| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= (store |v_#memory_$Pointer$.offset_95| .cse29 (store (select |v_#memory_$Pointer$.offset_95| .cse29) .cse30 (select (select |v_#memory_$Pointer$.offset_97| .cse29) .cse30))) |v_#memory_$Pointer$.offset_97|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| (store .cse38 .cse39 (store (select .cse38 .cse39) .cse40 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_24| .cse39) .cse40)))) (= (store |v_#memory_int_351| .cse41 (store (select |v_#memory_int_351| .cse41) .cse42 (select (select |v_#memory_int_102| .cse41) .cse42))) |v_#memory_int_102|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse43 .cse36 (store (select .cse43 .cse36) .cse37 (select (select |v_#memory_$Pointer$.offset_95| .cse36) .cse37))) |v_#memory_$Pointer$.offset_95|) (= (store .cse44 .cse36 (store (select .cse44 .cse36) .cse37 (select (select |v_#memory_$Pointer$.base_96| .cse36) .cse37))) |v_#memory_$Pointer$.base_96|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| (store .cse45 .cse39 (store (select .cse45 .cse39) .cse40 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_24| .cse39) .cse40)))) (= (store |v_#memory_$Pointer$.base_95| .cse27 (store (select |v_#memory_$Pointer$.base_95| .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_97| .cse27) .cse28))) |v_#memory_$Pointer$.base_97|)))))) .cse24))) (let ((.cse50 (mod (+ (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 4)) 4294967295) 4294967296)) (.cse51 (mod |c_ULTIMATE.start_main_~_ha_hashv~0#1| 4294967296))) (let ((.cse46 (= .cse51 0)) (.cse47 (= .cse50 0))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| 0) (or .cse46 .cse47)) (and (not .cse46) (let ((.cse48 (= .cse50 .cse51))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse48) (let ((.cse49 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296))) (and (not .cse48) (<= .cse49 .cse50) (<= .cse49 .cse51))))) (not .cse47)))))) is different from false [2024-11-14 04:25:28,452 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1961#(and (<= 1 |#StackHeapBarrier|) (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| Int)) (and (or (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|) 0) 0)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22|) 4) 0))) (not (= |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_22| 0)))) (= |__VERIFIER_assert_#in~cond| 0) (= ~count_int_int~0 1))' at error location [2024-11-14 04:25:28,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:25:28,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:25:28,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-14 04:25:28,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134022995] [2024-11-14 04:25:28,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:25:28,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:25:28,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:25:28,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:25:28,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=735, Unknown=49, NotChecked=174, Total=1056 [2024-11-14 04:25:28,456 INFO L87 Difference]: Start difference. First operand 101 states and 130 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:25:30,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:32,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:34,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:36,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:39,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:41,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:43,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:45,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:47,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:49,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:51,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:53,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:55,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:57,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:25:59,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:26:00,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:26:01,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:26:01,645 INFO L93 Difference]: Finished difference Result 266 states and 338 transitions. [2024-11-14 04:26:01,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 04:26:01,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2024-11-14 04:26:01,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:26:01,649 INFO L225 Difference]: With dead ends: 266 [2024-11-14 04:26:01,649 INFO L226 Difference]: Without dead ends: 238 [2024-11-14 04:26:01,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 300.5s TimeCoverageRelationStatistics Valid=98, Invalid=735, Unknown=49, NotChecked=174, Total=1056 [2024-11-14 04:26:01,651 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 218 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:26:01,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 281 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 33.2s Time] [2024-11-14 04:26:01,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-14 04:26:01,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-14 04:26:01,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 213 states have (on average 1.1455399061032865) internal successors, (244), 222 states have internal predecessors, (244), 22 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-14 04:26:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2024-11-14 04:26:01,685 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 49 [2024-11-14 04:26:01,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:26:01,685 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2024-11-14 04:26:01,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:26:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2024-11-14 04:26:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-14 04:26:01,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:26:01,692 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:26:01,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-14 04:26:01,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:26:01,896 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:26:01,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:26:01,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1916762867, now seen corresponding path program 1 times [2024-11-14 04:26:01,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:26:01,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194167710] [2024-11-14 04:26:01,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:26:01,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:26:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:26:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:26:03,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 04:26:03,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194167710] [2024-11-14 04:26:03,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194167710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 04:26:03,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49807026] [2024-11-14 04:26:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:26:03,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:26:03,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:26:03,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:26:03,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 04:26:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:26:04,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 04:26:04,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:26:04,951 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:26:04,951 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:26:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 160 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-14 04:26:05,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49807026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:26:05,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1701626939] [2024-11-14 04:26:05,497 INFO L159 IcfgInterpreter]: Started Sifa with 47 locations of interest [2024-11-14 04:26:05,497 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 04:26:05,498 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 04:26:05,498 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 04:26:05,498 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 04:26:28,010 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 28 for LOIs [2024-11-14 04:26:28,025 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 303 for LOIs [2024-11-14 04:26:30,372 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 04:27:43,226 WARN L286 SmtUtils]: Spent 37.18s on a formula simplification. DAG size of input: 303 DAG size of output: 290 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:27:57,466 WARN L286 SmtUtils]: Spent 6.83s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:28:09,314 WARN L286 SmtUtils]: Spent 8.68s on a formula simplification that was a NOOP. DAG size: 183 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:29:33,079 WARN L286 SmtUtils]: Spent 25.45s on a formula simplification that was a NOOP. DAG size: 216 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:29:35,101 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~count_int_int~0 0) (let ((.cse21 (exists ((|v_#Ultimate.C_memset_#t~loopctr160_41| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr160_41| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr160_41|))))) (or (and (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_424| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#valid_76| (Array Int Int)) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_int_477| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#length_60| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_41| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_424| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_int_102| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_BEFORE_CALL_73| (Array Int (Array Int Int)))) (let ((.cse14 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.base_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (+ (select (select |v_#memory_$Pointer$.offset_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16))) (let ((.cse7 (store |v_#memory_$Pointer$.offset_424| .cse19 (store (select |v_#memory_$Pointer$.offset_424| .cse19) .cse20 8))) (.cse18 (store |v_#memory_$Pointer$.base_424| .cse19 (store (select |v_#memory_$Pointer$.base_424| .cse19) .cse20 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse12 (store |v_#memory_$Pointer$.offset_96| .cse14 (store (select |v_#memory_$Pointer$.offset_96| .cse14) .cse15 0))) (.cse0 (store |v_#memory_$Pointer$.base_97| .cse14 (store (select |v_#memory_$Pointer$.base_97| .cse14) .cse15 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|)))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse10 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse8 (select (select .cse18 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ (select (select .cse7 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse5 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse6 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20))) (and (= (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_41| .cse1) .cse2))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_41|) (let ((.cse3 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_41| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_73| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_73| .cse3) .cse4) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_41| .cse3) .cse4) 0)))) (= (store |v_#memory_$Pointer$.offset_97| .cse5 (store (select |v_#memory_$Pointer$.offset_97| .cse5) .cse6 (select (select |v_#memory_$Pointer$.offset_96| .cse5) .cse6))) |v_#memory_$Pointer$.offset_96|) (= (store .cse7 .cse8 (store (select .cse7 .cse8) .cse9 (select (select |v_#memory_$Pointer$.offset_95| .cse8) .cse9))) |v_#memory_$Pointer$.offset_95|) (= |v_#memory_$Pointer$.base_95| (store |v_#memory_$Pointer$.base_96| .cse10 (store (select |v_#memory_$Pointer$.base_96| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_95| .cse10) .cse11)))) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (= (store .cse12 .cse1 (store (select .cse12 .cse1) .cse2 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_73| .cse1) .cse2))) |v_#memory_$Pointer$.offset_BEFORE_CALL_73|) (= (store |v_#length_60| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384) |c_#length|) (= (select |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= |c_#valid| (store |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (= (store |v_#memory_$Pointer$.offset_95| .cse10 (store (select |v_#memory_$Pointer$.offset_95| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_97| .cse10) .cse11))) |v_#memory_$Pointer$.offset_97|) (= (let ((.cse13 (let ((.cse16 (let ((.cse17 (store |v_#memory_int_102| .cse8 (store (select |v_#memory_int_102| .cse8) .cse9 32)))) (store .cse17 .cse10 (store (select .cse17 .cse10) .cse11 5))))) (store .cse16 .cse5 (store (select .cse16 .cse5) .cse6 8))))) (store .cse13 .cse14 (store (select .cse13 .cse14) .cse15 (select (select |v_#memory_int_103| .cse14) .cse15)))) |v_#memory_int_103|) (= (store .cse18 .cse8 (store (select .cse18 .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_96| .cse8) .cse9))) |v_#memory_$Pointer$.base_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store |v_#memory_$Pointer$.base_95| .cse5 (store (select |v_#memory_$Pointer$.base_95| .cse5) .cse6 (select (select |v_#memory_$Pointer$.base_97| .cse5) .cse6))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_int_477| .cse19 (store (select |v_#memory_int_477| .cse19) .cse20 (select (select |v_#memory_int_102| .cse19) .cse20))) |v_#memory_int_102|)))))) .cse21) (and .cse21 (exists ((|v_#memory_$Pointer$.base_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_424| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_96| (Array Int (Array Int Int))) (|v_#valid_76| (Array Int Int)) (|v_#memory_int_103| (Array Int (Array Int Int))) (|v_#memory_int_477| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_95| (Array Int (Array Int Int))) (|v_#length_60| (Array Int Int)) (|v_#memory_$Pointer$.offset_95| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_97| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_96| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_BEFORE_CALL_75| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_424| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc57#1.base_6| Int) (|v_#memory_$Pointer$.offset_BEFORE_CALL_75| (Array Int (Array Int Int))) (|v_#memory_int_102| (Array Int (Array Int Int)))) (let ((.cse41 (select (select |v_#memory_$Pointer$.base_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (+ (select (select |v_#memory_$Pointer$.offset_424| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 16)) (.cse32 (select (select |v_#memory_$Pointer$.base_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (select (select |v_#memory_$Pointer$.offset_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse40 (store |v_#memory_$Pointer$.offset_96| .cse32 (store (select |v_#memory_$Pointer$.offset_96| .cse32) .cse33 0))) (.cse36 (store |v_#memory_$Pointer$.base_97| .cse32 (store (select |v_#memory_$Pointer$.base_97| .cse32) .cse33 |v_ULTIMATE.start_main_#t~malloc57#1.base_6|))) (.cse24 (store |v_#memory_$Pointer$.offset_424| .cse41 (store (select |v_#memory_$Pointer$.offset_424| .cse41) .cse42 8))) (.cse39 (store |v_#memory_$Pointer$.base_424| .cse41 (store (select |v_#memory_$Pointer$.base_424| .cse41) .cse42 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse27 (select (select |v_#memory_$Pointer$.base_96| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (+ (select (select |v_#memory_$Pointer$.offset_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse25 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ (select (select .cse24 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse37 (select (select .cse36 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse22 (select (select |v_#memory_$Pointer$.base_95| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (+ (select (select |v_#memory_$Pointer$.offset_97| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20))) (and (= (store |v_#memory_$Pointer$.offset_97| .cse22 (store (select |v_#memory_$Pointer$.offset_97| .cse22) .cse23 (select (select |v_#memory_$Pointer$.offset_96| .cse22) .cse23))) |v_#memory_$Pointer$.offset_96|) (= (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_#memory_$Pointer$.offset_95| .cse25) .cse26))) |v_#memory_$Pointer$.offset_95|) (= |v_#memory_$Pointer$.base_95| (store |v_#memory_$Pointer$.base_96| .cse27 (store (select |v_#memory_$Pointer$.base_96| .cse27) .cse28 (select (select |v_#memory_$Pointer$.base_95| .cse27) .cse28)))) (not (= |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 0)) (= (store |v_#length_60| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 384) |c_#length|) (= (select |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc57#1.base_6|) 0) (= |c_#valid| (store |v_#valid_76| |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1)) (let ((.cse29 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_75| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_75| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_75| .cse29) .cse30) 0)) (not (= (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_75| .cse29) .cse30) 0)))) (= (store |v_#memory_$Pointer$.offset_95| .cse27 (store (select |v_#memory_$Pointer$.offset_95| .cse27) .cse28 (select (select |v_#memory_$Pointer$.offset_97| .cse27) .cse28))) |v_#memory_$Pointer$.offset_97|) (= (let ((.cse31 (let ((.cse34 (let ((.cse35 (store |v_#memory_int_102| .cse25 (store (select |v_#memory_int_102| .cse25) .cse26 32)))) (store .cse35 .cse27 (store (select .cse35 .cse27) .cse28 5))))) (store .cse34 .cse22 (store (select .cse34 .cse22) .cse23 8))))) (store .cse31 .cse32 (store (select .cse31 .cse32) .cse33 (select (select |v_#memory_int_103| .cse32) .cse33)))) |v_#memory_int_103|) (= |v_#memory_$Pointer$.base_BEFORE_CALL_75| (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_BEFORE_CALL_75| .cse37) .cse38)))) (= (store .cse39 .cse25 (store (select .cse39 .cse25) .cse26 (select (select |v_#memory_$Pointer$.base_96| .cse25) .cse26))) |v_#memory_$Pointer$.base_96|) (<= (+ |v_ULTIMATE.start_main_#t~malloc57#1.base_6| 1) |c_#StackHeapBarrier|) (= (store .cse40 .cse37 (store (select .cse40 .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_BEFORE_CALL_75| .cse37) .cse38))) |v_#memory_$Pointer$.offset_BEFORE_CALL_75|) (= (store |v_#memory_$Pointer$.base_95| .cse22 (store (select |v_#memory_$Pointer$.base_95| .cse22) .cse23 (select (select |v_#memory_$Pointer$.base_97| .cse22) .cse23))) |v_#memory_$Pointer$.base_97|) (= (store |v_#memory_int_477| .cse41 (store (select |v_#memory_int_477| .cse41) .cse42 (select (select |v_#memory_int_102| .cse41) .cse42))) |v_#memory_int_102|))))))))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (<= 0 |c_ULTIMATE.start_main_~i~0#1|)) is different from false [2024-11-14 04:30:44,752 WARN L286 SmtUtils]: Spent 17.29s on a formula simplification. DAG size of input: 173 DAG size of output: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 04:30:59,835 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3485#(and (<= 1 |#StackHeapBarrier|) (= |__VERIFIER_assert_#in~cond| 0) (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_43| Int)) (and (not (= |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_43| 0)) (or (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_43|) 4) 0)) (not (= (select (select |#memory_int| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_43|) 0) 0))))) (= ~count_int_int~0 1))' at error location [2024-11-14 04:30:59,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 04:30:59,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 04:30:59,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-11-14 04:30:59,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814251857] [2024-11-14 04:30:59,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 04:30:59,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:30:59,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 04:30:59,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:30:59,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1261, Unknown=68, NotChecked=74, Total=1560 [2024-11-14 04:30:59,840 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand has 12 states, 12 states have (on average 19.833333333333332) internal successors, (238), 12 states have internal predecessors, (238), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:31:01,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:04,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:06,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:08,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:11,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:13,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:15,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:17,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:19,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:21,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:23,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:25,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:27,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:29,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:31,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:33,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:35,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:37,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:39,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:41,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:43,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:45,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:47,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:49,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:51,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:53,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:55,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:57,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:31:59,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:01,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:03,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:05,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:06,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:09,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:11,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:13,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:15,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:17,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:19,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:21,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:23,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:25,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:27,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:29,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:31,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:33,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:35,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:37,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:32:41,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:32:43,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:32:44,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:32:47,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-11-14 04:32:47,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:32:47,699 INFO L93 Difference]: Finished difference Result 578 states and 701 transitions. [2024-11-14 04:32:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 04:32:47,699 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 19.833333333333332) internal successors, (238), 12 states have internal predecessors, (238), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 130 [2024-11-14 04:32:47,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:32:47,703 INFO L225 Difference]: With dead ends: 578 [2024-11-14 04:32:47,703 INFO L226 Difference]: Without dead ends: 550 [2024-11-14 04:32:47,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 269.6s TimeCoverageRelationStatistics Valid=157, Invalid=1261, Unknown=68, NotChecked=74, Total=1560 [2024-11-14 04:32:47,705 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 418 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 12 mSolverCounterUnsat, 45 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 45 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 107.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:32:47,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 871 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 216 Invalid, 45 Unknown, 0 Unchecked, 107.8s Time] [2024-11-14 04:32:47,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-14 04:32:47,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2024-11-14 04:32:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 507 states have (on average 1.1203155818540433) internal successors, (568), 516 states have internal predecessors, (568), 40 states have call successors, (40), 3 states have call predecessors, (40), 2 states have return successors, (40), 31 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-14 04:32:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 648 transitions. [2024-11-14 04:32:47,759 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 648 transitions. Word has length 130 [2024-11-14 04:32:47,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:32:47,761 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 648 transitions. [2024-11-14 04:32:47,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 19.833333333333332) internal successors, (238), 12 states have internal predecessors, (238), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-14 04:32:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 648 transitions. [2024-11-14 04:32:47,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-11-14 04:32:47,774 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:32:47,775 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:32:47,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 04:32:47,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0401b8-07cb-4bb8-8dd1-2af286e662f4/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:32:47,975 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:32:47,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:32:47,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2123277997, now seen corresponding path program 2 times [2024-11-14 04:32:47,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:32:47,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608182967] [2024-11-14 04:32:47,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:32:47,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms