./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:57:15,954 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:57:16,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 16:57:16,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:57:16,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:57:16,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:57:16,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:57:16,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:57:16,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:57:16,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:57:16,084 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:57:16,085 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:57:16,085 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:57:16,086 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:57:16,086 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:57:16,087 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:57:16,087 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:57:16,088 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:57:16,088 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:57:16,089 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:57:16,089 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:57:16,090 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:57:16,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:57:16,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:57:16,092 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:57:16,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:57:16,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:57:16,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:57:16,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:57:16,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:57:16,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:57:16,095 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 16:57:16,095 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 16:57:16,096 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:57:16,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:57:16,096 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:57:16,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:57:16,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:57:16,097 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:57:16,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:57:16,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:57:16,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:57:16,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:57:16,099 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:57:16,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:57:16,099 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:57:16,099 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:57:16,099 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:57:16,099 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:57:16,100 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-02 16:57:16,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:57:16,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:57:16,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:57:16,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:57:16,381 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:57:16,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-02 16:57:19,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:57:19,685 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:57:19,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test4-3.i [2023-12-02 16:57:19,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/data/42be7f322/badf6e590d8644979fef9c0cde634e4b/FLAGbba51b9d8 [2023-12-02 16:57:19,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/data/42be7f322/badf6e590d8644979fef9c0cde634e4b [2023-12-02 16:57:19,726 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:57:19,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:57:19,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:57:19,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:57:19,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:57:19,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:57:19" (1/1) ... [2023-12-02 16:57:19,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfe1934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:19, skipping insertion in model container [2023-12-02 16:57:19,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:57:19" (1/1) ... [2023-12-02 16:57:19,817 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:57:20,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:57:20,408 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:57:20,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:57:20,572 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:57:20,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20 WrapperNode [2023-12-02 16:57:20,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:57:20,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:57:20,575 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:57:20,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:57:20,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,701 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1777 [2023-12-02 16:57:20,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:57:20,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:57:20,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:57:20,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:57:20,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:57:20,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:57:20,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:57:20,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:57:20,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (1/1) ... [2023-12-02 16:57:20,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:57:20,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:57:20,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:57:20,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:57:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 16:57:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 16:57:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 16:57:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 16:57:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 16:57:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:57:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 16:57:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 16:57:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 16:57:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 16:57:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:57:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:57:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:57:21,266 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:57:21,269 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:57:23,130 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:57:24,827 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:57:24,827 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-02 16:57:24,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:57:24 BoogieIcfgContainer [2023-12-02 16:57:24,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:57:24,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:57:24,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:57:24,837 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:57:24,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:57:19" (1/3) ... [2023-12-02 16:57:24,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753d7cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:57:24, skipping insertion in model container [2023-12-02 16:57:24,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:57:20" (2/3) ... [2023-12-02 16:57:24,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753d7cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:57:24, skipping insertion in model container [2023-12-02 16:57:24,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:57:24" (3/3) ... [2023-12-02 16:57:24,840 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test4-3.i [2023-12-02 16:57:24,863 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:57:24,864 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-12-02 16:57:24,916 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:57:24,924 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c7ee01d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:57:24,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-12-02 16:57:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 134 states have (on average 1.7388059701492538) internal successors, (233), 138 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 16:57:24,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 16:57:24,938 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:57:24,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-02 16:57:24,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 16:57:24,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:57:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash 53078758, now seen corresponding path program 1 times [2023-12-02 16:57:24,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:57:24,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224670586] [2023-12-02 16:57:24,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:57:24,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:57:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:57:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:57:25,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:57:25,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224670586] [2023-12-02 16:57:25,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224670586] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:57:25,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:57:25,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 16:57:25,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511692102] [2023-12-02 16:57:25,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:57:25,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:57:25,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:57:25,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:57:25,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:57:25,223 INFO L87 Difference]: Start difference. First operand has 146 states, 134 states have (on average 1.7388059701492538) internal successors, (233), 138 states have internal predecessors, (233), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:57:27,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:29,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:31,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:33,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:34,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:57:34,365 INFO L93 Difference]: Finished difference Result 289 states and 487 transitions. [2023-12-02 16:57:34,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:57:34,372 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-12-02 16:57:34,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:57:34,380 INFO L225 Difference]: With dead ends: 289 [2023-12-02 16:57:34,381 INFO L226 Difference]: Without dead ends: 114 [2023-12-02 16:57:34,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:57:34,388 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:57:34,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 4 Unknown, 0 Unchecked, 9.1s Time] [2023-12-02 16:57:34,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-02 16:57:34,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-12-02 16:57:34,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 104 states have (on average 1.1346153846153846) internal successors, (118), 106 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 16:57:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2023-12-02 16:57:34,437 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 4 [2023-12-02 16:57:34,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:57:34,438 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2023-12-02 16:57:34,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:57:34,438 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2023-12-02 16:57:34,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 16:57:34,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:57:34,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-12-02 16:57:34,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 16:57:34,440 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 16:57:34,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:57:34,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1645441562, now seen corresponding path program 1 times [2023-12-02 16:57:34,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:57:34,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040405127] [2023-12-02 16:57:34,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:57:34,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:57:34,468 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:57:34,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092289049] [2023-12-02 16:57:34,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:57:34,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:57:34,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:57:34,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:57:34,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:57:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:57:34,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:57:34,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:57:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:57:34,773 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:57:34,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:57:34,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040405127] [2023-12-02 16:57:34,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 16:57:34,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092289049] [2023-12-02 16:57:34,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092289049] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:57:34,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:57:34,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:57:34,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891042957] [2023-12-02 16:57:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:57:34,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:57:34,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:57:34,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:57:34,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:57:34,778 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:57:36,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:38,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:40,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:42,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:45,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:47,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:49,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:51,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:53,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:55,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:57,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:57:59,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:02,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:58:02,574 INFO L93 Difference]: Finished difference Result 223 states and 255 transitions. [2023-12-02 16:58:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:58:02,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-12-02 16:58:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:58:02,584 INFO L225 Difference]: With dead ends: 223 [2023-12-02 16:58:02,584 INFO L226 Difference]: Without dead ends: 222 [2023-12-02 16:58:02,585 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:58:02,587 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 109 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:58:02,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 213 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 12 Unknown, 0 Unchecked, 27.8s Time] [2023-12-02 16:58:02,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-12-02 16:58:02,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 117. [2023-12-02 16:58:02,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.1308411214953271) internal successors, (121), 109 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 16:58:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2023-12-02 16:58:02,608 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 5 [2023-12-02 16:58:02,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:58:02,609 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2023-12-02 16:58:02,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:58:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2023-12-02 16:58:02,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 16:58:02,613 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:58:02,613 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:58:02,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:58:02,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:58:02,814 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 16:58:02,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:58:02,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1342660522, now seen corresponding path program 1 times [2023-12-02 16:58:02,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:58:02,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357316713] [2023-12-02 16:58:02,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:02,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:58:02,937 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:58:02,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047341966] [2023-12-02 16:58:02,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:02,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:58:02,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:58:02,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:58:02,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 16:58:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:58:03,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:58:03,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:58:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:58:03,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:58:03,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:58:03,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357316713] [2023-12-02 16:58:03,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 16:58:03,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047341966] [2023-12-02 16:58:03,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047341966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:58:03,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:58:03,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:58:03,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637733405] [2023-12-02 16:58:03,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:58:03,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:58:03,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:58:03,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:58:03,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:58:03,623 INFO L87 Difference]: Start difference. First operand 117 states and 133 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:58:05,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:07,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:09,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:11,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:13,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:15,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:17,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:19,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:21,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:58:21,567 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2023-12-02 16:58:21,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:58:21,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-12-02 16:58:21,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:58:21,574 INFO L225 Difference]: With dead ends: 117 [2023-12-02 16:58:21,574 INFO L226 Difference]: Without dead ends: 116 [2023-12-02 16:58:21,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:58:21,576 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 60 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:58:21,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 206 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 8 Unknown, 0 Unchecked, 17.9s Time] [2023-12-02 16:58:21,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-12-02 16:58:21,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2023-12-02 16:58:21,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 107 states have (on average 1.1214953271028036) internal successors, (120), 108 states have internal predecessors, (120), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 16:58:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 132 transitions. [2023-12-02 16:58:21,591 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 132 transitions. Word has length 57 [2023-12-02 16:58:21,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:58:21,592 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 132 transitions. [2023-12-02 16:58:21,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:58:21,592 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 132 transitions. [2023-12-02 16:58:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 16:58:21,595 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:58:21,595 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:58:21,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 16:58:21,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:58:21,796 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 16:58:21,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:58:21,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1327195308, now seen corresponding path program 1 times [2023-12-02 16:58:21,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:58:21,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678199180] [2023-12-02 16:58:21,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:21,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:58:21,933 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:58:21,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803787151] [2023-12-02 16:58:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:58:21,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:58:21,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:58:21,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:58:21,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 16:58:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:58:22,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:58:22,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:58:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:58:22,575 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:58:22,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:58:22,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678199180] [2023-12-02 16:58:22,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 16:58:22,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803787151] [2023-12-02 16:58:22,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803787151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:58:22,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:58:22,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:58:22,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55124387] [2023-12-02 16:58:22,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:58:22,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:58:22,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:58:22,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:58:22,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:58:22,578 INFO L87 Difference]: Start difference. First operand 116 states and 132 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:58:24,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:26,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:28,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:30,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:32,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:34,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:36,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:38,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:40,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:42,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:44,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:46,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:48,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:50,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:53,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:55,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:57,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:58:59,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:01,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:03,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:05,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 16:59:08,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:59:08,446 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2023-12-02 16:59:08,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:59:08,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2023-12-02 16:59:08,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:59:08,456 INFO L225 Difference]: With dead ends: 220 [2023-12-02 16:59:08,456 INFO L226 Difference]: Without dead ends: 219 [2023-12-02 16:59:08,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:59:08,457 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 56 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 0 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:59:08,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 341 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 93 Invalid, 20 Unknown, 0 Unchecked, 45.8s Time] [2023-12-02 16:59:08,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-02 16:59:08,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-02 16:59:08,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 204 states have (on average 1.1127450980392157) internal successors, (227), 205 states have internal predecessors, (227), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 16:59:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 251 transitions. [2023-12-02 16:59:08,480 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 251 transitions. Word has length 58 [2023-12-02 16:59:08,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:59:08,481 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 251 transitions. [2023-12-02 16:59:08,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:59:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 251 transitions. [2023-12-02 16:59:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 16:59:08,483 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:59:08,483 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:59:08,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 16:59:08,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:59:08,684 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 16:59:08,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:59:08,684 INFO L85 PathProgramCache]: Analyzing trace with hash 995586977, now seen corresponding path program 1 times [2023-12-02 16:59:08,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:59:08,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057947707] [2023-12-02 16:59:08,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:59:08,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:59:08,813 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:59:08,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046263210] [2023-12-02 16:59:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:59:08,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:59:08,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:59:08,815 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:59:08,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-02 16:59:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:59:09,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 16:59:09,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:59:09,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 16:59:09,420 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:59:09,420 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:59:09,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057947707] [2023-12-02 16:59:09,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 16:59:09,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046263210] [2023-12-02 16:59:09,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046263210] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:59:09,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:59:09,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:59:09,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267355513] [2023-12-02 16:59:09,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:59:09,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:59:09,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:59:09,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:59:09,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:59:09,423 INFO L87 Difference]: Start difference. First operand 219 states and 251 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:59:11,445 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 [] [2023-12-02 16:59:13,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:15,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:17,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:20,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:22,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:24,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:26,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:28,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:30,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:32,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:34,154 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 [] [2023-12-02 16:59:35,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:59:35,276 INFO L93 Difference]: Finished difference Result 358 states and 410 transitions. [2023-12-02 16:59:35,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:59:35,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2023-12-02 16:59:35,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:59:35,286 INFO L225 Difference]: With dead ends: 358 [2023-12-02 16:59:35,286 INFO L226 Difference]: Without dead ends: 217 [2023-12-02 16:59:35,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:59:35,289 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 38 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:59:35,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 197 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 12 Unknown, 0 Unchecked, 25.8s Time] [2023-12-02 16:59:35,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-02 16:59:35,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2023-12-02 16:59:35,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 202 states have (on average 1.108910891089109) internal successors, (224), 203 states have internal predecessors, (224), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 16:59:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 248 transitions. [2023-12-02 16:59:35,310 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 248 transitions. Word has length 61 [2023-12-02 16:59:35,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:59:35,311 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 248 transitions. [2023-12-02 16:59:35,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 16:59:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 248 transitions. [2023-12-02 16:59:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 16:59:35,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:59:35,315 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:59:35,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-02 16:59:35,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:59:35,520 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 16:59:35,521 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:59:35,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1285596267, now seen corresponding path program 1 times [2023-12-02 16:59:35,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:59:35,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315882917] [2023-12-02 16:59:35,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:59:35,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:59:35,640 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:59:35,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1899196553] [2023-12-02 16:59:35,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:59:35,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:59:35,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:59:35,642 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:59:35,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 16:59:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:59:36,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 16:59:36,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:59:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 16:59:36,217 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:59:36,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 16:59:36,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315882917] [2023-12-02 16:59:36,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 16:59:36,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899196553] [2023-12-02 16:59:36,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899196553] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:59:36,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:59:36,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:59:36,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871336709] [2023-12-02 16:59:36,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:59:36,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:59:36,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 16:59:36,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:59:36,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:59:36,221 INFO L87 Difference]: Start difference. First operand 217 states and 248 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 16:59:38,241 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 [] [2023-12-02 16:59:40,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:42,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:44,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:46,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:48,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:50,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 16:59:52,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:54,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:56,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:58,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:59:59,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 16:59:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:59:59,776 INFO L93 Difference]: Finished difference Result 404 states and 462 transitions. [2023-12-02 16:59:59,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:59:59,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 74 [2023-12-02 16:59:59,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:59:59,784 INFO L225 Difference]: With dead ends: 404 [2023-12-02 16:59:59,784 INFO L226 Difference]: Without dead ends: 215 [2023-12-02 16:59:59,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:59:59,786 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 11 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:59:59,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 197 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 10 Unknown, 0 Unchecked, 23.5s Time] [2023-12-02 16:59:59,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-12-02 16:59:59,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2023-12-02 16:59:59,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 200 states have (on average 1.105) internal successors, (221), 201 states have internal predecessors, (221), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 16:59:59,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 245 transitions. [2023-12-02 16:59:59,800 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 245 transitions. Word has length 74 [2023-12-02 16:59:59,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:59:59,800 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 245 transitions. [2023-12-02 16:59:59,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-02 16:59:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 245 transitions. [2023-12-02 16:59:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 16:59:59,802 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:59:59,802 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 16:59:59,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 17:00:00,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:00:00,003 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:00:00,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:00:00,004 INFO L85 PathProgramCache]: Analyzing trace with hash -166638503, now seen corresponding path program 1 times [2023-12-02 17:00:00,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:00:00,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341220276] [2023-12-02 17:00:00,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:00:00,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:00:00,139 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:00:00,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [43330668] [2023-12-02 17:00:00,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:00:00,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:00:00,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:00:00,141 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:00:00,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-02 17:02:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:02:16,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 17:02:16,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:02:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 17:02:17,019 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:02:17,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:02:17,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341220276] [2023-12-02 17:02:17,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:02:17,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43330668] [2023-12-02 17:02:17,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43330668] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:02:17,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:02:17,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 17:02:17,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151137845] [2023-12-02 17:02:17,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:02:17,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 17:02:17,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:02:17,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 17:02:17,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:02:17,021 INFO L87 Difference]: Start difference. First operand 215 states and 245 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 17:02:19,059 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 [] [2023-12-02 17:02:21,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:23,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:25,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:27,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:29,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:31,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:33,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:35,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:37,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:39,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:41,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:43,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 17:02:46,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:48,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:50,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:52,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:54,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:56,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:02:58,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:00,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:02,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:04,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:06,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:08,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:10,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:12,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:14,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:16,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:03:19,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 17:03:21,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 17:03:21,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:03:21,547 INFO L93 Difference]: Finished difference Result 410 states and 480 transitions. [2023-12-02 17:03:21,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 17:03:21,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 87 [2023-12-02 17:03:21,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:03:21,550 INFO L225 Difference]: With dead ends: 410 [2023-12-02 17:03:21,550 INFO L226 Difference]: Without dead ends: 217 [2023-12-02 17:03:21,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-02 17:03:21,552 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 104 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 6 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.5s IncrementalHoareTripleChecker+Time [2023-12-02 17:03:21,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 390 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 107 Invalid, 30 Unknown, 0 Unchecked, 64.5s Time] [2023-12-02 17:03:21,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-12-02 17:03:21,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2023-12-02 17:03:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 201 states have (on average 1.109452736318408) internal successors, (223), 203 states have internal predecessors, (223), 12 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (16), 12 states have call predecessors, (16), 12 states have call successors, (16) [2023-12-02 17:03:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 251 transitions. [2023-12-02 17:03:21,576 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 251 transitions. Word has length 87 [2023-12-02 17:03:21,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:03:21,577 INFO L495 AbstractCegarLoop]: Abstraction has 217 states and 251 transitions. [2023-12-02 17:03:21,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 17:03:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 251 transitions. [2023-12-02 17:03:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 17:03:21,578 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:03:21,579 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:03:21,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-02 17:03:21,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-12-02 17:03:21,780 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-12-02 17:03:21,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:03:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash 537304029, now seen corresponding path program 1 times [2023-12-02 17:03:21,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:03:21,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240982] [2023-12-02 17:03:21,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:03:21,912 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:03:21,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661588570] [2023-12-02 17:03:21,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:03:21,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:03:21,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:03:21,914 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:03:21,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11cbfc51-4863-4c0e-b5ed-fbc230570abc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-02 17:05:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:05:34,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 17:05:34,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:05:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:05:34,503 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:05:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 17:05:34,719 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:05:34,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240982] [2023-12-02 17:05:34,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:05:34,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661588570] [2023-12-02 17:05:34,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661588570] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:05:34,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [571679201] [2023-12-02 17:05:34,743 INFO L159 IcfgInterpreter]: Started Sifa with 76 locations of interest [2023-12-02 17:05:34,743 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 17:05:34,747 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 17:05:34,752 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 17:05:34,752 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 17:06:28,947 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 42 for LOIs [2023-12-02 17:06:28,971 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 17:06:50,748 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:06:58,236 WARN L854 $PredicateComparison]: unable to prove that (and (let ((.cse21 (= |c_ULTIMATE.start_main_#t~mem64#1.base| |c_ULTIMATE.start_main_#t~memset~res65#1.base|)) (.cse22 (= |c_ULTIMATE.start_main_#t~memset~res65#1.offset| |c_ULTIMATE.start_main_#t~mem64#1.offset|))) (or (and (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse15 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse20 (store |v_#memory_$Pointer$.offset_761| .cse4 (store (select |v_#memory_$Pointer$.offset_761| .cse4) .cse5 8))) (.cse6 (store |v_#memory_$Pointer$.base_761| .cse4 (store (select |v_#memory_$Pointer$.base_761| .cse4) .cse5 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse9 (store |v_#memory_$Pointer$.offset_124| .cse15 (store (select |v_#memory_$Pointer$.offset_124| .cse15) .cse16 0))) (.cse19 (store |v_#memory_$Pointer$.base_124| .cse15 (store (select |v_#memory_$Pointer$.base_124| .cse15) .cse16 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse1 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse2 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse3 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse10 (select (select .cse19 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select .cse9 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse7 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ 4 (select (select .cse20 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse13 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse0 (store (select |v_#memory_$Pointer$.offset_125| .cse0) .cse1 (select (select |v_#memory_$Pointer$.offset_124| .cse0) .cse1))) |v_#memory_$Pointer$.offset_124|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (store |v_#memory_$Pointer$.base_125| .cse2 (store (select |v_#memory_$Pointer$.base_125| .cse2) .cse3 (select (select |v_#memory_$Pointer$.base_126| .cse2) .cse3))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse0 (store (select |v_#memory_$Pointer$.base_126| .cse0) .cse1 (select (select |v_#memory_$Pointer$.base_124| .cse0) .cse1)))) (= (store |v_#memory_int_877| .cse4 (store (select |v_#memory_int_877| .cse4) .cse5 (select (select |v_#memory_int_128| .cse4) .cse5))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_125| .cse7) .cse8)))) (= (store |v_#memory_$Pointer$.offset_126| .cse2 (store (select |v_#memory_$Pointer$.offset_126| .cse2) .cse3 (select (select |v_#memory_$Pointer$.offset_125| .cse2) .cse3))) |v_#memory_$Pointer$.offset_125|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse10) .cse11)))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse12) .cse13) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse12) .cse13) 0))) (= (let ((.cse14 (let ((.cse17 (let ((.cse18 (store |v_#memory_int_128| .cse7 (store (select |v_#memory_int_128| .cse7) .cse8 32)))) (store .cse18 .cse2 (store (select .cse18 .cse2) .cse3 5))))) (store .cse17 .cse0 (store (select .cse17 .cse0) .cse1 8))))) (store .cse14 .cse15 (store (select .cse14 .cse15) .cse16 (select (select |v_#memory_int_129| .cse15) .cse16)))) |v_#memory_int_129|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (store .cse19 .cse10 (store (select .cse19 .cse10) .cse11 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse10) .cse11)))) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse20 .cse7 (store (select .cse20 .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_126| .cse7) .cse8))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= .cse13 |c_ULTIMATE.start_main_#t~mem63#1.offset|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= .cse12 |c_ULTIMATE.start_main_#t~mem63#1.base|) (= |c_ULTIMATE.start_main_#t~mem64#1.base| (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|))))))) .cse21 .cse22 (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27|)))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| 4294967296)))) .cse21 .cse22 (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse31 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse38 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse25 (store |v_#memory_$Pointer$.offset_124| .cse38 (store (select |v_#memory_$Pointer$.offset_124| .cse38) .cse39 0))) (.cse43 (store |v_#memory_$Pointer$.base_124| .cse38 (store (select |v_#memory_$Pointer$.base_124| .cse38) .cse39 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse42 (store |v_#memory_$Pointer$.offset_761| .cse31 (store (select |v_#memory_$Pointer$.offset_761| .cse31) .cse32 8))) (.cse33 (store |v_#memory_$Pointer$.base_761| .cse31 (store (select |v_#memory_$Pointer$.base_761| .cse31) .cse32 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse28 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse24 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse29 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse36 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (select (select .cse33 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (+ 4 (select (select .cse42 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse26 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select .cse25 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse23 (store (select |v_#memory_$Pointer$.offset_125| .cse23) .cse24 (select (select |v_#memory_$Pointer$.offset_124| .cse23) .cse24))) |v_#memory_$Pointer$.offset_124|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (store .cse25 .cse26 (store (select .cse25 .cse26) .cse27 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse26) .cse27)))) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse28) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse29 (store (select |v_#memory_$Pointer$.base_125| .cse29) .cse30 (select (select |v_#memory_$Pointer$.base_126| .cse29) .cse30))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse23 (store (select |v_#memory_$Pointer$.base_126| .cse23) .cse24 (select (select |v_#memory_$Pointer$.base_124| .cse23) .cse24)))) (= (store |v_#memory_int_877| .cse31 (store (select |v_#memory_int_877| .cse31) .cse32 (select (select |v_#memory_int_128| .cse31) .cse32))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 (select (select |v_#memory_$Pointer$.base_125| .cse34) .cse35)))) (= (store |v_#memory_$Pointer$.offset_126| .cse29 (store (select |v_#memory_$Pointer$.offset_126| .cse29) .cse30 (select (select |v_#memory_$Pointer$.offset_125| .cse29) .cse30))) |v_#memory_$Pointer$.offset_125|) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse36) .cse28) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse36) .cse28) 0))) (= (let ((.cse37 (let ((.cse40 (let ((.cse41 (store |v_#memory_int_128| .cse34 (store (select |v_#memory_int_128| .cse34) .cse35 32)))) (store .cse41 .cse29 (store (select .cse41 .cse29) .cse30 5))))) (store .cse40 .cse23 (store (select .cse40 .cse23) .cse24 8))))) (store .cse37 .cse38 (store (select .cse37 .cse38) .cse39 (select (select |v_#memory_int_129| .cse38) .cse39)))) |v_#memory_int_129|) (= .cse36 |c_ULTIMATE.start_main_#t~mem63#1.base|) (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.base|) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse42 .cse34 (store (select .cse42 .cse34) .cse35 (select (select |v_#memory_$Pointer$.offset_126| .cse34) .cse35))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (store .cse43 .cse26 (store (select .cse43 .cse26) .cse27 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse26) .cse27))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_38|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)))))))))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~i~0#1| 2147483647) (= |c_ULTIMATE.start_main_~users~0#1.base| 0)) is different from false [2023-12-02 17:08:07,471 WARN L293 SmtUtils]: Spent 22.21s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:09:22,272 WARN L293 SmtUtils]: Spent 20.85s on a formula simplification that was a NOOP. DAG size: 221 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:09:24,286 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((|v_#memory_int_878| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_762| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_762| (Array Int (Array Int Int)))) (let ((.cse0 (select (select |v_#memory_$Pointer$.base_762| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (.cse2 (+ (select (select |v_#memory_$Pointer$.offset_762| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 12))) (and (= |c_#memory_int| (store |v_#memory_int_878| .cse0 (let ((.cse1 (select |v_#memory_int_878| .cse0))) (store .cse1 .cse2 (+ (select .cse1 .cse2) 1))))) (= (store |v_#memory_$Pointer$.base_762| .cse0 (store (select |v_#memory_$Pointer$.base_762| .cse0) .cse2 (select (select |c_#memory_$Pointer$.base| .cse0) .cse2))) |c_#memory_$Pointer$.base|) (= |c_#memory_$Pointer$.offset| (store |v_#memory_$Pointer$.offset_762| .cse0 (store (select |v_#memory_$Pointer$.offset_762| .cse0) .cse2 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse2))))))) (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| Int)) (and (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28|) (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_28| 4294967296)))) (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse10 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse18 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (let ((.cse5 (store |v_#memory_$Pointer$.offset_124| .cse18 (store (select |v_#memory_$Pointer$.offset_124| .cse18) .cse19 0))) (.cse23 (store |v_#memory_$Pointer$.base_124| .cse18 (store (select |v_#memory_$Pointer$.base_124| .cse18) .cse19 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|))) (.cse22 (store |v_#memory_$Pointer$.offset_761| .cse10 (store (select |v_#memory_$Pointer$.offset_761| .cse10) .cse11 8))) (.cse12 (store |v_#memory_$Pointer$.base_761| .cse10 (store (select |v_#memory_$Pointer$.base_761| .cse10) .cse11 |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse3 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse8 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse9 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse13 (select (select .cse12 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (+ 4 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse6 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (+ (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse3 (store (select |v_#memory_$Pointer$.offset_125| .cse3) .cse4 (select (select |v_#memory_$Pointer$.offset_124| .cse3) .cse4))) |v_#memory_$Pointer$.offset_124|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse6) .cse7)))) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse8 (store (select |v_#memory_$Pointer$.base_125| .cse8) .cse9 (select (select |v_#memory_$Pointer$.base_126| .cse8) .cse9))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse3 (store (select |v_#memory_$Pointer$.base_126| .cse3) .cse4 (select (select |v_#memory_$Pointer$.base_124| .cse3) .cse4)))) (= (store |v_#memory_int_877| .cse10 (store (select |v_#memory_int_877| .cse10) .cse11 (select (select |v_#memory_int_128| .cse10) .cse11))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 (select (select |v_#memory_$Pointer$.base_125| .cse13) .cse14)))) (= (store |v_#memory_$Pointer$.offset_126| .cse8 (store (select |v_#memory_$Pointer$.offset_126| .cse8) .cse9 (select (select |v_#memory_$Pointer$.offset_125| .cse8) .cse9))) |v_#memory_$Pointer$.offset_125|) (let ((.cse15 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_38| .cse15) .cse16) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse15) .cse16) 0)))) (= (let ((.cse17 (let ((.cse20 (let ((.cse21 (store |v_#memory_int_128| .cse13 (store (select |v_#memory_int_128| .cse13) .cse14 32)))) (store .cse21 .cse8 (store (select .cse21 .cse8) .cse9 5))))) (store .cse20 .cse3 (store (select .cse20 .cse3) .cse4 8))))) (store .cse17 .cse18 (store (select .cse17 .cse18) .cse19 (select (select |v_#memory_int_129| .cse18) .cse19)))) |v_#memory_int_129|) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse22 .cse13 (store (select .cse22 .cse13) .cse14 (select (select |v_#memory_$Pointer$.offset_126| .cse13) .cse14))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (store .cse23 .cse6 (store (select .cse23 .cse6) .cse7 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_38| .cse6) .cse7))) |v_old(#memory_$Pointer$.base)_AFTER_CALL_38|) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)))))))) (and (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_int_129| (Array Int (Array Int Int))) (|v_#memory_int_877| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_94| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#length_46| (Array Int Int)) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_761| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_124| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse39 (select (select |v_#memory_$Pointer$.base_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (select (select |v_#memory_$Pointer$.offset_124| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse28 (select (select |v_#memory_$Pointer$.base_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ 16 (select (select |v_#memory_$Pointer$.offset_761| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse44 (store |v_#memory_$Pointer$.offset_761| .cse28 (store (select |v_#memory_$Pointer$.offset_761| .cse28) .cse29 8))) (.cse30 (store |v_#memory_$Pointer$.base_761| .cse28 (store (select |v_#memory_$Pointer$.base_761| .cse28) .cse29 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse33 (store |v_#memory_$Pointer$.offset_124| .cse39 (store (select |v_#memory_$Pointer$.offset_124| .cse39) .cse40 0))) (.cse43 (store |v_#memory_$Pointer$.base_124| .cse39 (store (select |v_#memory_$Pointer$.base_124| .cse39) .cse40 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse24 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse26 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 8)) (.cse34 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (+ (select (select .cse33 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 40)) (.cse31 (select (select .cse30 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ 4 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (and (= (store |v_#memory_$Pointer$.offset_125| .cse24 (store (select |v_#memory_$Pointer$.offset_125| .cse24) .cse25 (select (select |v_#memory_$Pointer$.offset_124| .cse24) .cse25))) |v_#memory_$Pointer$.offset_124|) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (store |v_#memory_$Pointer$.base_125| .cse26 (store (select |v_#memory_$Pointer$.base_125| .cse26) .cse27 (select (select |v_#memory_$Pointer$.base_126| .cse26) .cse27))) |v_#memory_$Pointer$.base_126|) (= |v_#memory_$Pointer$.base_124| (store |v_#memory_$Pointer$.base_126| .cse24 (store (select |v_#memory_$Pointer$.base_126| .cse24) .cse25 (select (select |v_#memory_$Pointer$.base_124| .cse24) .cse25)))) (= (store |v_#memory_int_877| .cse28 (store (select |v_#memory_int_877| .cse28) .cse29 (select (select |v_#memory_int_128| .cse28) .cse29))) |v_#memory_int_128|) (= |v_#memory_$Pointer$.base_125| (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_125| .cse31) .cse32)))) (= (store |v_#memory_$Pointer$.offset_126| .cse26 (store (select |v_#memory_$Pointer$.offset_126| .cse26) .cse27 (select (select |v_#memory_$Pointer$.offset_125| .cse26) .cse27))) |v_#memory_$Pointer$.offset_125|) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse34) .cse35)))) (let ((.cse36 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse36) .cse37) 0)) (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_37| .cse36) .cse37) 0)))) (= (let ((.cse38 (let ((.cse41 (let ((.cse42 (store |v_#memory_int_128| .cse31 (store (select |v_#memory_int_128| .cse31) .cse32 32)))) (store .cse42 .cse26 (store (select .cse42 .cse26) .cse27 5))))) (store .cse41 .cse24 (store (select .cse41 .cse24) .cse25 8))))) (store .cse38 .cse39 (store (select .cse38 .cse39) .cse40 (select (select |v_#memory_int_129| .cse39) .cse40)))) |v_#memory_int_129|) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| (store .cse43 .cse34 (store (select .cse43 .cse34) .cse35 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_37| .cse34) .cse35)))) (= (select |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= (store .cse44 .cse31 (store (select .cse44 .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_126| .cse31) .cse32))) |v_#memory_$Pointer$.offset_126|) (= |c_#length| (store |v_#length_46| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|) (= |c_#valid| (store |v_#valid_94| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1))))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_27|))))) (<= 0 (+ |c_ULTIMATE.start_main_~i~0#1| 2147483648)) (<= |c_ULTIMATE.start_main_~i~0#1| 2147483647) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|)) is different from false [2023-12-02 17:11:42,712 WARN L293 SmtUtils]: Spent 1.32m on a formula simplification that was a NOOP. DAG size: 284 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)