./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/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_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:16:07,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:16:07,889 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:16:07,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:16:07,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:16:07,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:16:07,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:16:07,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:16:07,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:16:07,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:16:07,934 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:16:07,935 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:16:07,935 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:16:07,936 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:16:07,936 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:16:07,937 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:16:07,937 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:16:07,938 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:16:07,938 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:16:07,939 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:16:07,939 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:16:07,940 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:16:07,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:16:07,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:16:07,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:16:07,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:16:07,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:16:07,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:16:07,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:16:07,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:16:07,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:16:07,944 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:16:07,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:16:07,945 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:16:07,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:16:07,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:16:07,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:16:07,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:16:07,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:16:07,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:16:07,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:16:07,947 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:16:07,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:16:07,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:16:07,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:16:07,948 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:16:07,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:16:07,948 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_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-02 14:16:08,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:16:08,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:16:08,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:16:08,198 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:16:08,198 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:16:08,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2023-12-02 14:16:10,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:16:11,244 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:16:11,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2023-12-02 14:16:11,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/data/9ff0e4a67/7910255149434ee5ba35ce9a4011d1e6/FLAGc480d6fd7 [2023-12-02 14:16:11,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/data/9ff0e4a67/7910255149434ee5ba35ce9a4011d1e6 [2023-12-02 14:16:11,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:16:11,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:16:11,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:16:11,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:16:11,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:16:11,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:16:11" (1/1) ... [2023-12-02 14:16:11,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc88b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:11, skipping insertion in model container [2023-12-02 14:16:11,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:16:11" (1/1) ... [2023-12-02 14:16:11,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:16:11,786 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i[33519,33532] [2023-12-02 14:16:11,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:16:11,917 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:16:11,948 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i[33519,33532] [2023-12-02 14:16:12,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:16:12,048 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:16:12,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12 WrapperNode [2023-12-02 14:16:12,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:16:12,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:16:12,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:16:12,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:16:12,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,161 INFO L138 Inliner]: procedures = 177, calls = 438, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1770 [2023-12-02 14:16:12,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:16:12,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:16:12,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:16:12,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:16:12,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,241 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:16:12,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:16:12,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:16:12,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:16:12,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (1/1) ... [2023-12-02 14:16:12,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:16:12,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:16:12,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:16:12,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:16:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:16:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:16:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 14:16:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 14:16:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 14:16:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:16:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:16:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:16:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:16:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:16:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:16:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:16:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:16:12,636 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:16:12,638 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:16:14,383 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:16:15,943 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:16:15,943 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-02 14:16:15,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:16:15 BoogieIcfgContainer [2023-12-02 14:16:15,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:16:15,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:16:15,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:16:15,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:16:15,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:16:11" (1/3) ... [2023-12-02 14:16:15,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6329d172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:16:15, skipping insertion in model container [2023-12-02 14:16:15,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:16:12" (2/3) ... [2023-12-02 14:16:15,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6329d172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:16:15, skipping insertion in model container [2023-12-02 14:16:15,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:16:15" (3/3) ... [2023-12-02 14:16:15,956 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_FNV_nondet_test4-3.i [2023-12-02 14:16:15,979 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:16:15,980 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:16:16,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:16:16,048 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;@45ac19bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:16:16,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:16:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 133 states have (on average 1.7293233082706767) internal successors, (230), 134 states have internal predecessors, (230), 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 14:16:16,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 14:16:16,061 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:16:16,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-02 14:16:16,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:16:16,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:16:16,069 INFO L85 PathProgramCache]: Analyzing trace with hash -911749637, now seen corresponding path program 1 times [2023-12-02 14:16:16,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:16:16,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524713160] [2023-12-02 14:16:16,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:16:16,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:16:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:16:16,385 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 14:16:16,385 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:16:16,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524713160] [2023-12-02 14:16:16,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524713160] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:16:16,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:16:16,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:16:16,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166545175] [2023-12-02 14:16:16,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:16:16,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:16:16,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:16:16,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:16:16,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:16:16,432 INFO L87 Difference]: Start difference. First operand has 142 states, 133 states have (on average 1.7293233082706767) internal successors, (230), 134 states have internal predecessors, (230), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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 14:16:18,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:20,554 WARN L539 Checker$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 14:16:22,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:24,574 WARN L539 Checker$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 14:16:26,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:28,931 WARN L539 Checker$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 14:16:30,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:33,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:35,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:16:37,870 WARN L539 Checker$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 14:16:39,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:41,886 WARN L539 Checker$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 14:16:43,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:45,906 WARN L539 Checker$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 14:16:47,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:50,127 WARN L539 Checker$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 14:16:52,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:54,146 WARN L539 Checker$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 14:16:56,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:16:58,180 WARN L539 Checker$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 14:17:00,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:02,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:17:03,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:03,792 INFO L93 Difference]: Finished difference Result 378 states and 650 transitions. [2023-12-02 14:17:03,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:17:03,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-12-02 14:17:03,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:03,804 INFO L225 Difference]: With dead ends: 378 [2023-12-02 14:17:03,805 INFO L226 Difference]: Without dead ends: 177 [2023-12-02 14:17:03,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 14:17:03,810 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 110 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:03,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 330 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 21 Unknown, 0 Unchecked, 47.3s Time] [2023-12-02 14:17:03,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-12-02 14:17:03,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2023-12-02 14:17:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 166 states have (on average 1.1144578313253013) internal successors, (185), 166 states have internal predecessors, (185), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-02 14:17:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 203 transitions. [2023-12-02 14:17:03,855 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 203 transitions. Word has length 6 [2023-12-02 14:17:03,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:03,856 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 203 transitions. [2023-12-02 14:17:03,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 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 14:17:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 203 transitions. [2023-12-02 14:17:03,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 14:17:03,860 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:03,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:03,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:17:03,861 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:17:03,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:03,862 INFO L85 PathProgramCache]: Analyzing trace with hash 126818031, now seen corresponding path program 1 times [2023-12-02 14:17:03,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:03,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516932251] [2023-12-02 14:17:03,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:03,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:04,016 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:17:04,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352867283] [2023-12-02 14:17:04,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:04,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:17:04,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:17:04,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:17:04,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:17:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:04,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 14:17:04,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:17:04,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 14:17:04,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:17:04,635 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:04,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516932251] [2023-12-02 14:17:04,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:17:04,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352867283] [2023-12-02 14:17:04,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352867283] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:04,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:04,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:17:04,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952828759] [2023-12-02 14:17:04,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:04,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:17:04,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:04,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:17:04,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:17:04,640 INFO L87 Difference]: Start difference. First operand 177 states and 203 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 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 14:17:06,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:08,681 WARN L539 Checker$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 14:17:10,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:12,797 WARN L539 Checker$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 14:17:14,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:16,817 WARN L539 Checker$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 14:17:19,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:21,900 WARN L539 Checker$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 14:17:23,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:17:25,920 WARN L539 Checker$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 14:17:26,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:26,312 INFO L93 Difference]: Finished difference Result 326 states and 374 transitions. [2023-12-02 14:17:26,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:17:26,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 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 71 [2023-12-02 14:17:26,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:26,318 INFO L225 Difference]: With dead ends: 326 [2023-12-02 14:17:26,318 INFO L226 Difference]: Without dead ends: 175 [2023-12-02 14:17:26,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 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 14:17:26,320 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 11 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:26,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 191 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 10 Unknown, 0 Unchecked, 21.7s Time] [2023-12-02 14:17:26,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-02 14:17:26,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2023-12-02 14:17:26,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 164 states have (on average 1.1097560975609757) internal successors, (182), 164 states have internal predecessors, (182), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-02 14:17:26,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 200 transitions. [2023-12-02 14:17:26,352 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 200 transitions. Word has length 71 [2023-12-02 14:17:26,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:26,352 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 200 transitions. [2023-12-02 14:17:26,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 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 14:17:26,353 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 200 transitions. [2023-12-02 14:17:26,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 14:17:26,357 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:26,358 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:17:26,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:17:26,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:17:26,562 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:17:26,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:26,563 INFO L85 PathProgramCache]: Analyzing trace with hash 481954439, now seen corresponding path program 1 times [2023-12-02 14:17:26,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:26,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122229581] [2023-12-02 14:17:26,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:26,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:26,687 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:17:26,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115000185] [2023-12-02 14:17:26,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:26,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:17:26,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:17:26,690 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:17:26,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 14:18:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:18:49,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 815 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 14:18:49,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:18:49,231 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 14:18:49,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:18:49,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:18:49,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122229581] [2023-12-02 14:18:49,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:18:49,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115000185] [2023-12-02 14:18:49,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115000185] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:18:49,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:18:49,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 14:18:49,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513689686] [2023-12-02 14:18:49,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:18:49,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 14:18:49,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:18:49,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 14:18:49,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 14:18:49,235 INFO L87 Difference]: Start difference. First operand 175 states and 200 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 14:18:51,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:53,279 WARN L539 Checker$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 14:18:55,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:18:57,307 WARN L539 Checker$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 14:18:59,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:01,328 WARN L539 Checker$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 14:19:03,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:05,492 WARN L539 Checker$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 14:19:07,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:09,511 WARN L539 Checker$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 14:19:11,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:19:13,528 WARN L539 Checker$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 14:19:15,603 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 14:19:16,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:19:16,890 INFO L93 Difference]: Finished difference Result 332 states and 389 transitions. [2023-12-02 14:19:16,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 14:19:16,895 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2023-12-02 14:19:16,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:19:16,897 INFO L225 Difference]: With dead ends: 332 [2023-12-02 14:19:16,897 INFO L226 Difference]: Without dead ends: 177 [2023-12-02 14:19:16,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 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 14:19:16,900 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2023-12-02 14:19:16,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 293 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 81 Invalid, 12 Unknown, 0 Unchecked, 27.6s Time] [2023-12-02 14:19:16,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-12-02 14:19:16,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2023-12-02 14:19:16,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 165 states have (on average 1.1151515151515152) internal successors, (184), 166 states have internal predecessors, (184), 9 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2023-12-02 14:19:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 205 transitions. [2023-12-02 14:19:16,918 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 205 transitions. Word has length 84 [2023-12-02 14:19:16,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:19:16,919 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 205 transitions. [2023-12-02 14:19:16,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-02 14:19:16,919 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 205 transitions. [2023-12-02 14:19:16,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 14:19:16,921 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:19:16,921 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:19:17,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 14:19:17,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:19:17,122 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:19:17,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:19:17,122 INFO L85 PathProgramCache]: Analyzing trace with hash 730143823, now seen corresponding path program 1 times [2023-12-02 14:19:17,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:19:17,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204876018] [2023-12-02 14:19:17,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:19:17,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:19:17,238 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:19:17,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205485952] [2023-12-02 14:19:17,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:19:17,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:19:17,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:19:17,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:19:17,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-02 14:22:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:22:51,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 14:22:51,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:22:51,552 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 14:22:51,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:22:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 14:22:51,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:22:51,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204876018] [2023-12-02 14:22:51,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 14:22:51,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205485952] [2023-12-02 14:22:51,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205485952] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:22:51,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1038908125] [2023-12-02 14:22:51,659 INFO L159 IcfgInterpreter]: Started Sifa with 75 locations of interest [2023-12-02 14:22:51,659 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 14:22:51,662 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 14:22:51,666 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 14:22:51,666 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 14:23:45,363 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 62 for LOIs [2023-12-02 14:23:45,429 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 14:24:06,811 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (= |c_ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| 0) (let ((.cse0 (= |c_ULTIMATE.start_main_#t~mem64#1.base| |c_ULTIMATE.start_main_#t~memset~res65#1.base|)) (.cse1 (= |c_ULTIMATE.start_main_#t~memset~res65#1.offset| |c_ULTIMATE.start_main_#t~mem64#1.offset|))) (or (and .cse0 .cse1 (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_747| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_747| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_100| (Array Int Int)) (|v_#length_52| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_46| (Array Int (Array Int Int))) (|v_#memory_int_804| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse6 (select (select |v_#memory_$Pointer$.base_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse7 (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (select (select |v_#memory_$Pointer$.base_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse21 (+ 16 (select (select |v_#memory_$Pointer$.offset_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse18 (store |v_#memory_$Pointer$.offset_747| .cse20 (store (select |v_#memory_$Pointer$.offset_747| .cse20) .cse21 8))) (.cse22 (store |v_#memory_$Pointer$.base_747| .cse20 (store (select |v_#memory_$Pointer$.base_747| .cse20) .cse21 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse17 (store |v_#memory_$Pointer$.offset_125| .cse6 (store (select |v_#memory_$Pointer$.offset_125| .cse6) .cse7 0))) (.cse2 (store |v_#memory_$Pointer$.base_127| .cse6 (store (select |v_#memory_$Pointer$.base_127| .cse6) .cse7 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse9 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse10 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse3 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse4 (+ 40 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse16 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse12 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ 8 (select (select |v_#memory_$Pointer$.offset_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse14 (select (select .cse22 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse15 (+ (select (select .cse18 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| (store .cse2 .cse3 (store (select .cse2 .cse3) .cse4 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| .cse3) .cse4)))) (= |c_#length| (store |v_#length_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (select |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (let ((.cse5 (let ((.cse8 (let ((.cse11 (store |v_#memory_int_127| .cse14 (store (select |v_#memory_int_127| .cse14) .cse15 32)))) (store .cse11 .cse12 (store (select .cse11 .cse12) .cse13 5))))) (store .cse8 .cse9 (store (select .cse8 .cse9) .cse10 8))))) (store .cse5 .cse6 (store (select .cse5 .cse6) .cse7 (select (select |v_#memory_int_128| .cse6) .cse7)))) |v_#memory_int_128|) (= (store |v_#memory_$Pointer$.offset_126| .cse9 (store (select |v_#memory_$Pointer$.offset_126| .cse9) .cse10 (select (select |v_#memory_$Pointer$.offset_125| .cse9) .cse10))) |v_#memory_$Pointer$.offset_125|) (= (store |v_#memory_$Pointer$.base_126| .cse9 (store (select |v_#memory_$Pointer$.base_126| .cse9) .cse10 (select (select |v_#memory_$Pointer$.base_127| .cse9) .cse10))) |v_#memory_$Pointer$.base_127|) (= (store |v_#memory_$Pointer$.offset_127| .cse12 (store (select |v_#memory_$Pointer$.offset_127| .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_126| .cse12) .cse13))) |v_#memory_$Pointer$.offset_126|) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse16) (= |c_#valid| (store |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| (store .cse17 .cse3 (store (select .cse17 .cse3) .cse4 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| .cse3) .cse4)))) (= (store .cse18 .cse14 (store (select .cse18 .cse14) .cse15 (select (select |v_#memory_$Pointer$.offset_127| .cse14) .cse15))) |v_#memory_$Pointer$.offset_127|) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse19) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| .cse16) .cse19) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| .cse16) .cse19) 0))) (= (store |v_#memory_$Pointer$.base_125| .cse12 (store (select |v_#memory_$Pointer$.base_125| .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_126| .cse12) .cse13))) |v_#memory_$Pointer$.base_126|) (= |c_ULTIMATE.start_main_#t~mem64#1.base| (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|)) (= (store |v_#memory_int_804| .cse20 (store (select |v_#memory_int_804| .cse20) .cse21 (select (select |v_#memory_int_127| .cse20) .cse21))) |v_#memory_int_127|) (= |v_#memory_$Pointer$.base_125| (store .cse22 .cse14 (store (select .cse22 .cse14) .cse15 (select (select |v_#memory_$Pointer$.base_125| .cse14) .cse15)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|)))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36|)))) (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35|))) .cse0 (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_747| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_747| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_100| (Array Int Int)) (|v_#length_52| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_45| (Array Int (Array Int Int))) (|v_#memory_int_804| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse29 (select (select |v_#memory_$Pointer$.base_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse30 (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (select (select |v_#memory_$Pointer$.base_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (+ 16 (select (select |v_#memory_$Pointer$.offset_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse40 (store |v_#memory_$Pointer$.offset_747| .cse41 (store (select |v_#memory_$Pointer$.offset_747| .cse41) .cse42 8))) (.cse43 (store |v_#memory_$Pointer$.base_747| .cse41 (store (select |v_#memory_$Pointer$.base_747| .cse41) .cse42 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse23 (store |v_#memory_$Pointer$.offset_125| .cse29 (store (select |v_#memory_$Pointer$.offset_125| .cse29) .cse30 0))) (.cse39 (store |v_#memory_$Pointer$.base_127| .cse29 (store (select |v_#memory_$Pointer$.base_127| .cse29) .cse30 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse32 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse33 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse24 (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (+ 40 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse35 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse36 (+ 8 (select (select |v_#memory_$Pointer$.offset_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse37 (select (select .cse43 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ (select (select .cse40 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4)) (.cse26 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse27 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (and (= |c_#length| (store |v_#length_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| (store .cse23 .cse24 (store (select .cse23 .cse24) .cse25 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| .cse24) .cse25)))) (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.base|) (= (select |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (= |c_ULTIMATE.start_main_#t~mem63#1.base| .cse26) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= |c_ULTIMATE.start_main_#t~mem63#1.offset| .cse27) (= (let ((.cse28 (let ((.cse31 (let ((.cse34 (store |v_#memory_int_127| .cse37 (store (select |v_#memory_int_127| .cse37) .cse38 32)))) (store .cse34 .cse35 (store (select .cse34 .cse35) .cse36 5))))) (store .cse31 .cse32 (store (select .cse31 .cse32) .cse33 8))))) (store .cse28 .cse29 (store (select .cse28 .cse29) .cse30 (select (select |v_#memory_int_128| .cse29) .cse30)))) |v_#memory_int_128|) (= (store |v_#memory_$Pointer$.offset_126| .cse32 (store (select |v_#memory_$Pointer$.offset_126| .cse32) .cse33 (select (select |v_#memory_$Pointer$.offset_125| .cse32) .cse33))) |v_#memory_$Pointer$.offset_125|) (= (store |v_#memory_$Pointer$.base_126| .cse32 (store (select |v_#memory_$Pointer$.base_126| .cse32) .cse33 (select (select |v_#memory_$Pointer$.base_127| .cse32) .cse33))) |v_#memory_$Pointer$.base_127|) (= (store |v_#memory_$Pointer$.offset_127| .cse35 (store (select |v_#memory_$Pointer$.offset_127| .cse35) .cse36 (select (select |v_#memory_$Pointer$.offset_126| .cse35) .cse36))) |v_#memory_$Pointer$.offset_126|) (= |c_#valid| (store |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| (store .cse39 .cse24 (store (select .cse39 .cse24) .cse25 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| .cse24) .cse25)))) (= (store .cse40 .cse37 (store (select .cse40 .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_127| .cse37) .cse38))) |v_#memory_$Pointer$.offset_127|) (= (store |v_#memory_$Pointer$.base_125| .cse35 (store (select |v_#memory_$Pointer$.base_125| .cse35) .cse36 (select (select |v_#memory_$Pointer$.base_126| .cse35) .cse36))) |v_#memory_$Pointer$.base_126|) (= (store |v_#memory_int_804| .cse41 (store (select |v_#memory_int_804| .cse41) .cse42 (select (select |v_#memory_int_127| .cse41) .cse42))) |v_#memory_int_127|) (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| |c_ULTIMATE.start_main_#t~mem63#1.base|) |c_ULTIMATE.start_main_#t~mem63#1.offset|) |c_ULTIMATE.start_main_#t~mem64#1.offset|) (= |v_#memory_$Pointer$.base_125| (store .cse43 .cse37 (store (select .cse43 .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_125| .cse37) .cse38)))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| .cse26) .cse27) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| .cse26) .cse27) 0))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|)))))) .cse1)))) is different from false [2023-12-02 14:25:09,253 WARN L293 SmtUtils]: Spent 24.38s on a formula simplification that was a NOOP. DAG size: 220 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 14:25:11,266 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (= |c_ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35|))) (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_747| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_747| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_100| (Array Int Int)) (|v_#length_52| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_45| (Array Int (Array Int Int))) (|v_#memory_int_804| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse4 (select (select |v_#memory_$Pointer$.base_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (select (select |v_#memory_$Pointer$.base_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ 16 (select (select |v_#memory_$Pointer$.offset_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse15 (store |v_#memory_$Pointer$.offset_747| .cse16 (store (select |v_#memory_$Pointer$.offset_747| .cse16) .cse17 8))) (.cse18 (store |v_#memory_$Pointer$.base_747| .cse16 (store (select |v_#memory_$Pointer$.base_747| .cse16) .cse17 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse0 (store |v_#memory_$Pointer$.offset_125| .cse4 (store (select |v_#memory_$Pointer$.offset_125| .cse4) .cse5 0))) (.cse14 (store |v_#memory_$Pointer$.base_127| .cse4 (store (select |v_#memory_$Pointer$.base_127| .cse4) .cse5 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse7 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse1 (select (select .cse14 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse2 (+ 40 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse10 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ 8 (select (select |v_#memory_$Pointer$.offset_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse12 (select (select .cse18 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse13 (+ (select (select .cse15 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= |c_#length| (store |v_#length_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| .cse1) .cse2)))) (= (select |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (let ((.cse3 (let ((.cse6 (let ((.cse9 (store |v_#memory_int_127| .cse12 (store (select |v_#memory_int_127| .cse12) .cse13 32)))) (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 5))))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 8))))) (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_#memory_int_128| .cse4) .cse5)))) |v_#memory_int_128|) (= (store |v_#memory_$Pointer$.offset_126| .cse7 (store (select |v_#memory_$Pointer$.offset_126| .cse7) .cse8 (select (select |v_#memory_$Pointer$.offset_125| .cse7) .cse8))) |v_#memory_$Pointer$.offset_125|) (= (store |v_#memory_$Pointer$.base_126| .cse7 (store (select |v_#memory_$Pointer$.base_126| .cse7) .cse8 (select (select |v_#memory_$Pointer$.base_127| .cse7) .cse8))) |v_#memory_$Pointer$.base_127|) (= (store |v_#memory_$Pointer$.offset_127| .cse10 (store (select |v_#memory_$Pointer$.offset_127| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_126| .cse10) .cse11))) |v_#memory_$Pointer$.offset_126|) (= |c_#valid| (store |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| (store .cse14 .cse1 (store (select .cse14 .cse1) .cse2 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| .cse1) .cse2)))) (= (store .cse15 .cse12 (store (select .cse15 .cse12) .cse13 (select (select |v_#memory_$Pointer$.offset_127| .cse12) .cse13))) |v_#memory_$Pointer$.offset_127|) (= (store |v_#memory_$Pointer$.base_125| .cse10 (store (select |v_#memory_$Pointer$.base_125| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_126| .cse10) .cse11))) |v_#memory_$Pointer$.base_126|) (= (store |v_#memory_int_804| .cse16 (store (select |v_#memory_int_804| .cse16) .cse17 (select (select |v_#memory_int_127| .cse16) .cse17))) |v_#memory_int_127|) (= |v_#memory_$Pointer$.base_125| (store .cse18 .cse12 (store (select .cse18 .cse12) .cse13 (select (select |v_#memory_$Pointer$.base_125| .cse12) .cse13)))) (let ((.cse19 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| .cse19) .cse20) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| .cse19) .cse20) 0)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|))))))) (and (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_747| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_747| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_100| (Array Int Int)) (|v_#length_52| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_46| (Array Int (Array Int Int))) (|v_#memory_int_804| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse25 (select (select |v_#memory_$Pointer$.base_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse39 (select (select |v_#memory_$Pointer$.base_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse40 (+ 16 (select (select |v_#memory_$Pointer$.offset_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse36 (store |v_#memory_$Pointer$.offset_747| .cse39 (store (select |v_#memory_$Pointer$.offset_747| .cse39) .cse40 8))) (.cse41 (store |v_#memory_$Pointer$.base_747| .cse39 (store (select |v_#memory_$Pointer$.base_747| .cse39) .cse40 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse35 (store |v_#memory_$Pointer$.offset_125| .cse25 (store (select |v_#memory_$Pointer$.offset_125| .cse25) .cse26 0))) (.cse21 (store |v_#memory_$Pointer$.base_127| .cse25 (store (select |v_#memory_$Pointer$.base_127| .cse25) .cse26 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse28 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse22 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (+ 40 (select (select .cse35 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse31 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ 8 (select (select |v_#memory_$Pointer$.offset_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse33 (select (select .cse41 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse34 (+ (select (select .cse36 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| (store .cse21 .cse22 (store (select .cse21 .cse22) .cse23 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| .cse22) .cse23)))) (= |c_#length| (store |v_#length_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (select |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (let ((.cse24 (let ((.cse27 (let ((.cse30 (store |v_#memory_int_127| .cse33 (store (select |v_#memory_int_127| .cse33) .cse34 32)))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 5))))) (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 8))))) (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_#memory_int_128| .cse25) .cse26)))) |v_#memory_int_128|) (= (store |v_#memory_$Pointer$.offset_126| .cse28 (store (select |v_#memory_$Pointer$.offset_126| .cse28) .cse29 (select (select |v_#memory_$Pointer$.offset_125| .cse28) .cse29))) |v_#memory_$Pointer$.offset_125|) (= (store |v_#memory_$Pointer$.base_126| .cse28 (store (select |v_#memory_$Pointer$.base_126| .cse28) .cse29 (select (select |v_#memory_$Pointer$.base_127| .cse28) .cse29))) |v_#memory_$Pointer$.base_127|) (= (store |v_#memory_$Pointer$.offset_127| .cse31 (store (select |v_#memory_$Pointer$.offset_127| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_126| .cse31) .cse32))) |v_#memory_$Pointer$.offset_126|) (= |c_#valid| (store |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| (store .cse35 .cse22 (store (select .cse35 .cse22) .cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| .cse22) .cse23)))) (= (store .cse36 .cse33 (store (select .cse36 .cse33) .cse34 (select (select |v_#memory_$Pointer$.offset_127| .cse33) .cse34))) |v_#memory_$Pointer$.offset_127|) (let ((.cse37 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| .cse37) .cse38) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| .cse37) .cse38) 0)))) (= (store |v_#memory_$Pointer$.base_125| .cse31 (store (select |v_#memory_$Pointer$.base_125| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_126| .cse31) .cse32))) |v_#memory_$Pointer$.base_126|) (= (store |v_#memory_int_804| .cse39 (store (select |v_#memory_int_804| .cse39) .cse40 (select (select |v_#memory_int_127| .cse39) .cse40))) |v_#memory_int_127|) (= |v_#memory_$Pointer$.base_125| (store .cse41 .cse33 (store (select .cse41 .cse33) .cse34 (select (select |v_#memory_$Pointer$.base_125| .cse33) .cse34)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|)))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36|)))))) is different from false [2023-12-02 14:25:13,290 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (= |c_ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (exists ((|v_#memory_$Pointer$.base_748| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_748| (Array Int (Array Int Int))) (|v_#memory_int_805| (Array Int (Array Int Int)))) (let ((.cse1 (+ 12 (select (select |v_#memory_$Pointer$.offset_748| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (.cse0 (select (select |v_#memory_$Pointer$.base_748| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= (store |v_#memory_$Pointer$.offset_748| .cse0 (store (select |v_#memory_$Pointer$.offset_748| .cse0) .cse1 (select (select |c_#memory_$Pointer$.offset| .cse0) .cse1))) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_748| .cse0 (store (select |v_#memory_$Pointer$.base_748| .cse0) .cse1 (select (select |c_#memory_$Pointer$.base| .cse0) .cse1)))) (= (store |v_#memory_int_805| .cse0 (let ((.cse2 (select |v_#memory_int_805| .cse0))) (store .cse2 .cse1 (+ (select .cse2 .cse1) 1)))) |c_#memory_int|)))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35|))) (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_747| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_747| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_100| (Array Int Int)) (|v_#length_52| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_45| (Array Int (Array Int Int))) (|v_#memory_int_804| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse7 (select (select |v_#memory_$Pointer$.base_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse8 (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse19 (select (select |v_#memory_$Pointer$.base_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (+ 16 (select (select |v_#memory_$Pointer$.offset_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse18 (store |v_#memory_$Pointer$.offset_747| .cse19 (store (select |v_#memory_$Pointer$.offset_747| .cse19) .cse20 8))) (.cse21 (store |v_#memory_$Pointer$.base_747| .cse19 (store (select |v_#memory_$Pointer$.base_747| .cse19) .cse20 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse3 (store |v_#memory_$Pointer$.offset_125| .cse7 (store (select |v_#memory_$Pointer$.offset_125| .cse7) .cse8 0))) (.cse17 (store |v_#memory_$Pointer$.base_127| .cse7 (store (select |v_#memory_$Pointer$.base_127| .cse7) .cse8 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse10 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse4 (select (select .cse17 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse5 (+ 40 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse13 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (+ 8 (select (select |v_#memory_$Pointer$.offset_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse15 (select (select .cse21 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse16 (+ (select (select .cse18 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= |c_#length| (store |v_#length_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| (store .cse3 .cse4 (store (select .cse3 .cse4) .cse5 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| .cse4) .cse5)))) (= (select |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (let ((.cse6 (let ((.cse9 (let ((.cse12 (store |v_#memory_int_127| .cse15 (store (select |v_#memory_int_127| .cse15) .cse16 32)))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 5))))) (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 8))))) (store .cse6 .cse7 (store (select .cse6 .cse7) .cse8 (select (select |v_#memory_int_128| .cse7) .cse8)))) |v_#memory_int_128|) (= (store |v_#memory_$Pointer$.offset_126| .cse10 (store (select |v_#memory_$Pointer$.offset_126| .cse10) .cse11 (select (select |v_#memory_$Pointer$.offset_125| .cse10) .cse11))) |v_#memory_$Pointer$.offset_125|) (= (store |v_#memory_$Pointer$.base_126| .cse10 (store (select |v_#memory_$Pointer$.base_126| .cse10) .cse11 (select (select |v_#memory_$Pointer$.base_127| .cse10) .cse11))) |v_#memory_$Pointer$.base_127|) (= (store |v_#memory_$Pointer$.offset_127| .cse13 (store (select |v_#memory_$Pointer$.offset_127| .cse13) .cse14 (select (select |v_#memory_$Pointer$.offset_126| .cse13) .cse14))) |v_#memory_$Pointer$.offset_126|) (= |c_#valid| (store |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| (store .cse17 .cse4 (store (select .cse17 .cse4) .cse5 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| .cse4) .cse5)))) (= (store .cse18 .cse15 (store (select .cse18 .cse15) .cse16 (select (select |v_#memory_$Pointer$.offset_127| .cse15) .cse16))) |v_#memory_$Pointer$.offset_127|) (= (store |v_#memory_$Pointer$.base_125| .cse13 (store (select |v_#memory_$Pointer$.base_125| .cse13) .cse14 (select (select |v_#memory_$Pointer$.base_126| .cse13) .cse14))) |v_#memory_$Pointer$.base_126|) (= (store |v_#memory_int_804| .cse19 (store (select |v_#memory_int_804| .cse19) .cse20 (select (select |v_#memory_int_127| .cse19) .cse20))) |v_#memory_int_127|) (= |v_#memory_$Pointer$.base_125| (store .cse21 .cse15 (store (select .cse21 .cse15) .cse16 (select (select |v_#memory_$Pointer$.base_125| .cse15) .cse16)))) (let ((.cse22 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse23 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| .cse22) .cse23) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| .cse22) .cse23) 0)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|))))))) (and (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_747| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_747| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_100| (Array Int Int)) (|v_#length_52| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_46| (Array Int (Array Int Int))) (|v_#memory_int_804| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse28 (select (select |v_#memory_$Pointer$.base_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse42 (select (select |v_#memory_$Pointer$.base_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse43 (+ 16 (select (select |v_#memory_$Pointer$.offset_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse39 (store |v_#memory_$Pointer$.offset_747| .cse42 (store (select |v_#memory_$Pointer$.offset_747| .cse42) .cse43 8))) (.cse44 (store |v_#memory_$Pointer$.base_747| .cse42 (store (select |v_#memory_$Pointer$.base_747| .cse42) .cse43 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse38 (store |v_#memory_$Pointer$.offset_125| .cse28 (store (select |v_#memory_$Pointer$.offset_125| .cse28) .cse29 0))) (.cse24 (store |v_#memory_$Pointer$.base_127| .cse28 (store (select |v_#memory_$Pointer$.base_127| .cse28) .cse29 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse31 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse25 (select (select .cse24 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ 40 (select (select .cse38 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse34 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (+ 8 (select (select |v_#memory_$Pointer$.offset_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse36 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse37 (+ (select (select .cse39 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| (store .cse24 .cse25 (store (select .cse24 .cse25) .cse26 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| .cse25) .cse26)))) (= |c_#length| (store |v_#length_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (select |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (let ((.cse27 (let ((.cse30 (let ((.cse33 (store |v_#memory_int_127| .cse36 (store (select |v_#memory_int_127| .cse36) .cse37 32)))) (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 5))))) (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 8))))) (store .cse27 .cse28 (store (select .cse27 .cse28) .cse29 (select (select |v_#memory_int_128| .cse28) .cse29)))) |v_#memory_int_128|) (= (store |v_#memory_$Pointer$.offset_126| .cse31 (store (select |v_#memory_$Pointer$.offset_126| .cse31) .cse32 (select (select |v_#memory_$Pointer$.offset_125| .cse31) .cse32))) |v_#memory_$Pointer$.offset_125|) (= (store |v_#memory_$Pointer$.base_126| .cse31 (store (select |v_#memory_$Pointer$.base_126| .cse31) .cse32 (select (select |v_#memory_$Pointer$.base_127| .cse31) .cse32))) |v_#memory_$Pointer$.base_127|) (= (store |v_#memory_$Pointer$.offset_127| .cse34 (store (select |v_#memory_$Pointer$.offset_127| .cse34) .cse35 (select (select |v_#memory_$Pointer$.offset_126| .cse34) .cse35))) |v_#memory_$Pointer$.offset_126|) (= |c_#valid| (store |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| (store .cse38 .cse25 (store (select .cse38 .cse25) .cse26 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| .cse25) .cse26)))) (= (store .cse39 .cse36 (store (select .cse39 .cse36) .cse37 (select (select |v_#memory_$Pointer$.offset_127| .cse36) .cse37))) |v_#memory_$Pointer$.offset_127|) (let ((.cse40 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| .cse40) .cse41) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| .cse40) .cse41) 0)))) (= (store |v_#memory_$Pointer$.base_125| .cse34 (store (select |v_#memory_$Pointer$.base_125| .cse34) .cse35 (select (select |v_#memory_$Pointer$.base_126| .cse34) .cse35))) |v_#memory_$Pointer$.base_126|) (= (store |v_#memory_int_804| .cse42 (store (select |v_#memory_int_804| .cse42) .cse43 (select (select |v_#memory_int_127| .cse42) .cse43))) |v_#memory_int_127|) (= |v_#memory_$Pointer$.base_125| (store .cse44 .cse36 (store (select .cse44 .cse36) .cse37 (select (select |v_#memory_$Pointer$.base_125| .cse36) .cse37)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|)))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36|)))))) is different from false [2023-12-02 14:25:15,305 WARN L854 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~user~0#1.offset| 0) (= |c_ULTIMATE.start_main_~users~0#1.offset| 0) (<= 1 |c_#StackHeapBarrier|) (= |c_ULTIMATE.start_main_~altusers~0#1.offset| 0) (<= 0 |c_ULTIMATE.start_main_~i~0#1|) (= |c_ULTIMATE.start_main_~users~0#1.base| |c_ULTIMATE.start_main_~user~0#1.base|) (let ((.cse4 (mod (+ (select (select |c_#memory_int| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~users~0#1.base|) 8)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~users~0#1.base|) 8) 4)) 4294967295) 4294967296)) (.cse5 (mod |c_ULTIMATE.start_main_~_ha_hashv~0#1| 4294967296))) (let ((.cse0 (= .cse5 0)) (.cse1 (= .cse4 0))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| 0) (or .cse0 .cse1)) (and (not .cse0) (let ((.cse2 (= .cse4 .cse5))) (or (and (= |c_ULTIMATE.start_main_~_ha_bkt~0#1| |c_ULTIMATE.start_main_~_ha_hashv~0#1|) .cse2) (let ((.cse3 (mod |c_ULTIMATE.start_main_~_ha_bkt~0#1| 4294967296))) (and (not .cse2) (<= .cse3 .cse4) (<= .cse3 .cse5))))) (not .cse1))))) (exists ((|v_#memory_$Pointer$.base_748| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_748| (Array Int (Array Int Int))) (|v_#memory_int_805| (Array Int (Array Int Int)))) (let ((.cse7 (+ 12 (select (select |v_#memory_$Pointer$.offset_748| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (.cse6 (select (select |v_#memory_$Pointer$.base_748| |c_ULTIMATE.start_main_~users~0#1.base|) 8))) (and (= (store |v_#memory_$Pointer$.offset_748| .cse6 (store (select |v_#memory_$Pointer$.offset_748| .cse6) .cse7 (select (select |c_#memory_$Pointer$.offset| .cse6) .cse7))) |c_#memory_$Pointer$.offset|) (= |c_#memory_$Pointer$.base| (store |v_#memory_$Pointer$.base_748| .cse6 (store (select |v_#memory_$Pointer$.base_748| .cse6) .cse7 (select (select |c_#memory_$Pointer$.base| .cse6) .cse7)))) (= (store |v_#memory_int_805| .cse6 (let ((.cse8 (select |v_#memory_int_805| .cse6))) (store .cse8 .cse7 (+ (select .cse8 .cse7) 1)))) |c_#memory_int|)))) (or (and (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_35|))) (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_747| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_747| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_100| (Array Int Int)) (|v_#length_52| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_45| (Array Int (Array Int Int))) (|v_#memory_int_804| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse13 (select (select |v_#memory_$Pointer$.base_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse14 (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse25 (select (select |v_#memory_$Pointer$.base_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse26 (+ 16 (select (select |v_#memory_$Pointer$.offset_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse24 (store |v_#memory_$Pointer$.offset_747| .cse25 (store (select |v_#memory_$Pointer$.offset_747| .cse25) .cse26 8))) (.cse27 (store |v_#memory_$Pointer$.base_747| .cse25 (store (select |v_#memory_$Pointer$.base_747| .cse25) .cse26 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse9 (store |v_#memory_$Pointer$.offset_125| .cse13 (store (select |v_#memory_$Pointer$.offset_125| .cse13) .cse14 0))) (.cse23 (store |v_#memory_$Pointer$.base_127| .cse13 (store (select |v_#memory_$Pointer$.base_127| .cse13) .cse14 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse16 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse17 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse10 (select (select .cse23 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse11 (+ 40 (select (select .cse9 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse19 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse20 (+ 8 (select (select |v_#memory_$Pointer$.offset_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse21 (select (select .cse27 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse22 (+ (select (select .cse24 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= |c_#length| (store |v_#length_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| (store .cse9 .cse10 (store (select .cse9 .cse10) .cse11 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| .cse10) .cse11)))) (= (select |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (let ((.cse12 (let ((.cse15 (let ((.cse18 (store |v_#memory_int_127| .cse21 (store (select |v_#memory_int_127| .cse21) .cse22 32)))) (store .cse18 .cse19 (store (select .cse18 .cse19) .cse20 5))))) (store .cse15 .cse16 (store (select .cse15 .cse16) .cse17 8))))) (store .cse12 .cse13 (store (select .cse12 .cse13) .cse14 (select (select |v_#memory_int_128| .cse13) .cse14)))) |v_#memory_int_128|) (= (store |v_#memory_$Pointer$.offset_126| .cse16 (store (select |v_#memory_$Pointer$.offset_126| .cse16) .cse17 (select (select |v_#memory_$Pointer$.offset_125| .cse16) .cse17))) |v_#memory_$Pointer$.offset_125|) (= (store |v_#memory_$Pointer$.base_126| .cse16 (store (select |v_#memory_$Pointer$.base_126| .cse16) .cse17 (select (select |v_#memory_$Pointer$.base_127| .cse16) .cse17))) |v_#memory_$Pointer$.base_127|) (= (store |v_#memory_$Pointer$.offset_127| .cse19 (store (select |v_#memory_$Pointer$.offset_127| .cse19) .cse20 (select (select |v_#memory_$Pointer$.offset_126| .cse19) .cse20))) |v_#memory_$Pointer$.offset_126|) (= |c_#valid| (store |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| (store .cse23 .cse10 (store (select .cse23 .cse10) .cse11 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| .cse10) .cse11)))) (= (store .cse24 .cse21 (store (select .cse24 .cse21) .cse22 (select (select |v_#memory_$Pointer$.offset_127| .cse21) .cse22))) |v_#memory_$Pointer$.offset_127|) (= (store |v_#memory_$Pointer$.base_125| .cse19 (store (select |v_#memory_$Pointer$.base_125| .cse19) .cse20 (select (select |v_#memory_$Pointer$.base_126| .cse19) .cse20))) |v_#memory_$Pointer$.base_126|) (= (store |v_#memory_int_804| .cse25 (store (select |v_#memory_int_804| .cse25) .cse26 (select (select |v_#memory_int_127| .cse25) .cse26))) |v_#memory_int_127|) (= |v_#memory_$Pointer$.base_125| (store .cse27 .cse21 (store (select .cse27 .cse21) .cse22 (select (select |v_#memory_$Pointer$.base_125| .cse21) .cse22)))) (let ((.cse28 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse29 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_45| .cse28) .cse29) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_45| .cse28) .cse29) 0)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|))))))) (and (exists ((|v_#memory_$Pointer$.offset_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_747| (Array Int (Array Int Int))) (|v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_747| (Array Int (Array Int Int))) (|v_#memory_int_127| (Array Int (Array Int Int))) (|v_#memory_int_128| (Array Int (Array Int Int))) (|v_#valid_100| (Array Int Int)) (|v_#length_52| (Array Int Int)) (|v_old(#memory_$Pointer$.base)_AFTER_CALL_46| (Array Int (Array Int Int))) (|v_#memory_int_804| (Array Int (Array Int Int))) (|v_ULTIMATE.start_main_#t~malloc58#1.base_4| Int) (|v_#memory_$Pointer$.base_127| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_126| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.base_125| (Array Int (Array Int Int))) (|v_#memory_$Pointer$.offset_125| (Array Int (Array Int Int)))) (let ((.cse34 (select (select |v_#memory_$Pointer$.base_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse35 (select (select |v_#memory_$Pointer$.offset_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse48 (select (select |v_#memory_$Pointer$.base_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse49 (+ 16 (select (select |v_#memory_$Pointer$.offset_747| |c_ULTIMATE.start_main_~user~0#1.base|) 8)))) (let ((.cse45 (store |v_#memory_$Pointer$.offset_747| .cse48 (store (select |v_#memory_$Pointer$.offset_747| .cse48) .cse49 8))) (.cse50 (store |v_#memory_$Pointer$.base_747| .cse48 (store (select |v_#memory_$Pointer$.base_747| .cse48) .cse49 |c_ULTIMATE.start_main_~user~0#1.base|))) (.cse44 (store |v_#memory_$Pointer$.offset_125| .cse34 (store (select |v_#memory_$Pointer$.offset_125| .cse34) .cse35 0))) (.cse30 (store |v_#memory_$Pointer$.base_127| .cse34 (store (select |v_#memory_$Pointer$.base_127| .cse34) .cse35 |v_ULTIMATE.start_main_#t~malloc58#1.base_4|)))) (let ((.cse37 (select (select |v_#memory_$Pointer$.base_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse38 (+ (select (select |v_#memory_$Pointer$.offset_126| |c_ULTIMATE.start_main_~user~0#1.base|) 8) 20)) (.cse31 (select (select .cse30 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse32 (+ 40 (select (select .cse44 |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse40 (select (select |v_#memory_$Pointer$.base_125| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse41 (+ 8 (select (select |v_#memory_$Pointer$.offset_127| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (.cse42 (select (select .cse50 |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse43 (+ (select (select .cse45 |c_ULTIMATE.start_main_~user~0#1.base|) 8) 4))) (and (= |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| (store .cse30 .cse31 (store (select .cse30 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| .cse31) .cse32)))) (= |c_#length| (store |v_#length_52| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 384)) (= (select |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4|) 0) (not (= |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 0)) (= (let ((.cse33 (let ((.cse36 (let ((.cse39 (store |v_#memory_int_127| .cse42 (store (select |v_#memory_int_127| .cse42) .cse43 32)))) (store .cse39 .cse40 (store (select .cse39 .cse40) .cse41 5))))) (store .cse36 .cse37 (store (select .cse36 .cse37) .cse38 8))))) (store .cse33 .cse34 (store (select .cse33 .cse34) .cse35 (select (select |v_#memory_int_128| .cse34) .cse35)))) |v_#memory_int_128|) (= (store |v_#memory_$Pointer$.offset_126| .cse37 (store (select |v_#memory_$Pointer$.offset_126| .cse37) .cse38 (select (select |v_#memory_$Pointer$.offset_125| .cse37) .cse38))) |v_#memory_$Pointer$.offset_125|) (= (store |v_#memory_$Pointer$.base_126| .cse37 (store (select |v_#memory_$Pointer$.base_126| .cse37) .cse38 (select (select |v_#memory_$Pointer$.base_127| .cse37) .cse38))) |v_#memory_$Pointer$.base_127|) (= (store |v_#memory_$Pointer$.offset_127| .cse40 (store (select |v_#memory_$Pointer$.offset_127| .cse40) .cse41 (select (select |v_#memory_$Pointer$.offset_126| .cse40) .cse41))) |v_#memory_$Pointer$.offset_126|) (= |c_#valid| (store |v_#valid_100| |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1)) (= |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| (store .cse44 .cse31 (store (select .cse44 .cse31) .cse32 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| .cse31) .cse32)))) (= (store .cse45 .cse42 (store (select .cse45 .cse42) .cse43 (select (select |v_#memory_$Pointer$.offset_127| .cse42) .cse43))) |v_#memory_$Pointer$.offset_127|) (let ((.cse46 (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| |c_ULTIMATE.start_main_~user~0#1.base|) 8)) (.cse47 (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| |c_ULTIMATE.start_main_~user~0#1.base|) 8))) (or (not (= (select (select |v_old(#memory_$Pointer$.offset)_AFTER_CALL_46| .cse46) .cse47) 0)) (not (= (select (select |v_old(#memory_$Pointer$.base)_AFTER_CALL_46| .cse46) .cse47) 0)))) (= (store |v_#memory_$Pointer$.base_125| .cse40 (store (select |v_#memory_$Pointer$.base_125| .cse40) .cse41 (select (select |v_#memory_$Pointer$.base_126| .cse40) .cse41))) |v_#memory_$Pointer$.base_126|) (= (store |v_#memory_int_804| .cse48 (store (select |v_#memory_int_804| .cse48) .cse49 (select (select |v_#memory_int_127| .cse48) .cse49))) |v_#memory_int_127|) (= |v_#memory_$Pointer$.base_125| (store .cse50 .cse42 (store (select .cse50 .cse42) .cse43 (select (select |v_#memory_$Pointer$.base_125| .cse42) .cse43)))) (<= (+ |v_ULTIMATE.start_main_#t~malloc58#1.base_4| 1) |c_#StackHeapBarrier|)))))) (exists ((|v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36| Int)) (and (<= 384 (mod |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36| 4294967296)) (<= 0 |v_#Ultimate.C_memset_#t~loopctr406_BEFORE_RETURN_36|)))))) is different from false [2023-12-02 14:26:00,528 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3313#(and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0) (= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 0))' at error location [2023-12-02 14:26:00,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-12-02 14:26:00,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:26:00,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2023-12-02 14:26:00,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657505242] [2023-12-02 14:26:00,529 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-02 14:26:00,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 14:26:00,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:26:00,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 14:26:00,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1698, Unknown=49, NotChecked=348, Total=2256 [2023-12-02 14:26:00,532 INFO L87 Difference]: Start difference. First operand 177 states and 205 transitions. Second operand has 9 states, 7 states have (on average 14.0) internal successors, (98), 9 states have internal predecessors, (98), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-02 14:26:02,582 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 14:26:04,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:06,607 WARN L539 Checker$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 14:26:08,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:10,625 WARN L539 Checker$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 14:26:12,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:14,640 WARN L539 Checker$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 14:26:16,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:18,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:20,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:22,702 WARN L539 Checker$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 14:26:24,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:26,715 WARN L539 Checker$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 14:26:28,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:31,380 WARN L539 Checker$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 14:26:33,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:35,407 WARN L539 Checker$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 14:26:37,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:39,422 WARN L539 Checker$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 14:26:41,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:43,435 WARN L539 Checker$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 14:26:45,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:47,460 WARN L539 Checker$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 14:26:49,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:51,491 WARN L539 Checker$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 14:26:53,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:26:55,544 WARN L539 Checker$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 14:26:57,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:01,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:27:02,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:27:04,998 WARN L539 Checker$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 14:27:07,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:09,010 WARN L539 Checker$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 14:27:11,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:13,038 WARN L539 Checker$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 14:27:15,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:17,062 WARN L539 Checker$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 14:27:19,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:21,085 WARN L539 Checker$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 14:27:23,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:25,102 WARN L539 Checker$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 14:27:27,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:29,119 WARN L539 Checker$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 14:27:31,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:33,134 WARN L539 Checker$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 14:27:35,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:37,199 WARN L539 Checker$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 14:27:39,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:41,216 WARN L539 Checker$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 14:27:43,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:45,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:47,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:49,250 WARN L539 Checker$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 14:27:51,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:53,275 WARN L539 Checker$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 14:27:55,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:27:57,297 WARN L539 Checker$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 14:27:59,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:01,325 WARN L539 Checker$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 14:28:03,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:05,342 WARN L539 Checker$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 14:28:07,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 14:28:10,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:28:13,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:28:15,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-12-02 14:28:16,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:28:16,116 INFO L93 Difference]: Finished difference Result 378 states and 463 transitions. [2023-12-02 14:28:16,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 14:28:16,117 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.0) internal successors, (98), 9 states have internal predecessors, (98), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2023-12-02 14:28:16,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:28:16,119 INFO L225 Difference]: With dead ends: 378 [2023-12-02 14:28:16,119 INFO L226 Difference]: Without dead ends: 221 [2023-12-02 14:28:16,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 215 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 568 ImplicationChecksByTransitivity, 135.3s TimeCoverageRelationStatistics Valid=201, Invalid=2118, Unknown=49, NotChecked=388, Total=2756 [2023-12-02 14:28:16,123 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 91 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 15 mSolverCounterUnsat, 63 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 134.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 63 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 135.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:28:16,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 657 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 232 Invalid, 63 Unknown, 0 Unchecked, 135.4s Time] [2023-12-02 14:28:16,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-12-02 14:28:16,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 185. [2023-12-02 14:28:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 172 states have (on average 1.1453488372093024) internal successors, (197), 173 states have internal predecessors, (197), 9 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (15), 9 states have call predecessors, (15), 9 states have call successors, (15) [2023-12-02 14:28:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 221 transitions. [2023-12-02 14:28:16,142 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 221 transitions. Word has length 88 [2023-12-02 14:28:16,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:28:16,143 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 221 transitions. [2023-12-02 14:28:16,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.0) internal successors, (98), 9 states have internal predecessors, (98), 3 states have call successors, (8), 2 states have call predecessors, (8), 4 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-02 14:28:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 221 transitions. [2023-12-02 14:28:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 14:28:16,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:28:16,146 INFO L195 NwaCegarLoop]: trace histogram [12, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:28:16,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-02 14:28:16,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:28:16,350 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:28:16,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:28:16,351 INFO L85 PathProgramCache]: Analyzing trace with hash 47917639, now seen corresponding path program 2 times [2023-12-02 14:28:16,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:28:16,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440203244] [2023-12-02 14:28:16,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:28:16,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:28:16,476 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:28:16,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834004956] [2023-12-02 14:28:16,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-02 14:28:16,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:28:16,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:28:16,478 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:28:16,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34f90e39-a6c8-4b84-b1d2-d682f3c805a3/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process