./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:09:28,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:09:28,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:09:28,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:09:28,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:09:29,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:09:29,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:09:29,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:09:29,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:09:29,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:09:29,004 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:09:29,005 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:09:29,005 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:09:29,006 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:09:29,006 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:09:29,007 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:09:29,008 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:09:29,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:09:29,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:09:29,009 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:09:29,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:09:29,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:09:29,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:09:29,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:09:29,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:09:29,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:09:29,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:09:29,014 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:09:29,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:09:29,016 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:09:29,016 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:09:29,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:09:29,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:09:29,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:09:29,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:09:29,019 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:09:29,020 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f [2023-11-12 02:09:29,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:09:29,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:09:29,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:09:29,282 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:09:29,283 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:09:29,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2023-11-12 02:09:32,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:09:32,809 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:09:32,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2023-11-12 02:09:32,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/data/4e797e304/ce9e2c006fd84630b46c43fb3143c43b/FLAGb3fb627ee [2023-11-12 02:09:32,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/data/4e797e304/ce9e2c006fd84630b46c43fb3143c43b [2023-11-12 02:09:32,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:09:32,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:09:32,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:32,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:09:32,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:09:32,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:32" (1/1) ... [2023-11-12 02:09:32,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df4e858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:32, skipping insertion in model container [2023-11-12 02:09:32,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:09:32" (1/1) ... [2023-11-12 02:09:32,961 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:09:33,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:33,591 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:09:33,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:09:33,831 WARN L672 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:09:33,838 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:09:33,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33 WrapperNode [2023-11-12 02:09:33,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:09:33,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:33,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:09:33,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:09:33,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:33,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:33,976 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 5, calls inlined = 4, statements flattened = 1500 [2023-11-12 02:09:33,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:09:33,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:09:33,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:09:33,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:09:33,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:33,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:34,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:34,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:34,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:34,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:34,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:34,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:34,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:09:34,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:09:34,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:09:34,179 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:09:34,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (1/1) ... [2023-11-12 02:09:34,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:09:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:34,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:09:34,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:09:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:09:34,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:09:34,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:09:34,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:09:34,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:09:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:09:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:09:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:09:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-12 02:09:34,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:09:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:09:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:09:34,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:09:34,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:09:34,552 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:09:34,554 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:09:34,559 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:09:36,754 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:09:36,765 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:09:36,765 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-12 02:09:36,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:36 BoogieIcfgContainer [2023-11-12 02:09:36,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:09:36,770 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:09:36,770 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:09:36,774 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:09:36,775 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:09:36,775 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:09:32" (1/3) ... [2023-11-12 02:09:36,776 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63ae939a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:09:36, skipping insertion in model container [2023-11-12 02:09:36,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:09:36,777 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:09:33" (2/3) ... [2023-11-12 02:09:36,777 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63ae939a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:09:36, skipping insertion in model container [2023-11-12 02:09:36,777 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:09:36,777 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:09:36" (3/3) ... [2023-11-12 02:09:36,779 INFO L332 chiAutomizerObserver]: Analyzing ICFG uthash_SAX_test7-2.i [2023-11-12 02:09:36,911 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:09:36,911 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:09:36,911 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:09:36,911 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:09:36,912 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:09:36,912 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:09:36,912 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:09:36,912 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:09:36,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 389 states, 384 states have (on average 1.6901041666666667) internal successors, (649), 384 states have internal predecessors, (649), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 02:09:37,008 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 374 [2023-11-12 02:09:37,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:09:37,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:09:37,020 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:09:37,020 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:09:37,021 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:09:37,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 389 states, 384 states have (on average 1.6901041666666667) internal successors, (649), 384 states have internal predecessors, (649), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 02:09:37,059 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 374 [2023-11-12 02:09:37,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:09:37,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:09:37,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:09:37,063 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:09:37,074 INFO L748 eck$LassoCheckResult]: Stem: 117#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 322#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~switch31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc52#1.base, main_#t~malloc52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~memset~res55#1.base, main_#t~memset~res55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~malloc61#1.base, main_#t~malloc61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~memset~res68#1.base, main_#t~memset~res68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~post79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1, main_#t~nondet82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1, main_#t~post86#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem91#1, main_#t~mem90#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~short94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~malloc97#1.base, main_#t~malloc97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1, main_#t~memset~res102#1.base, main_#t~memset~res102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem107#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~nondet108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem112#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~nondet113#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem124#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1, main_#t~nondet125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~pre128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~post133#1, main_#t~mem137#1, main_#t~mem135#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem136#1, main_#t~mem138#1, main_#t~post139#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~ite159#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem167#1, main_#t~mem166#1, main_#t~mem168#1, main_#t~mem169#1, main_#t~mem171#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem173#1, main_#t~mem175#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem177#1, main_#t~nondet178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~switch187#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~nondet199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~nondet210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1, main_#t~mem219#1, main_#t~mem220#1, main_#t~short221#1, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~ret223#1, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_#t~short230#1, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem232#1.base, main_#t~mem232#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_#t~mem234#1.base, main_#t~mem234#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~mem237#1.base, main_#t~mem237#1.offset, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1.base, main_#t~mem246#1.offset, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem253#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1, main_#t~nondet254#1, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1.base, main_#t~mem256#1.offset, main_#t~mem257#1, main_#t~post258#1, main_#t~mem259#1.base, main_#t~mem259#1.offset, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1, main_#t~post269#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem163#1, main_#t~post164#1, main_#t~mem165#1, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~ite272#1.base, main_#t~ite272#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~short277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1.base, main_#t~mem281#1.offset, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1, main_#t~mem287#1.base, main_#t~mem287#1.offset, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~mem291#1.base, main_#t~mem291#1.offset, main_#t~mem292#1.base, main_#t~mem292#1.offset, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1.base, main_#t~mem295#1.offset, main_#t~mem296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem300#1, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1, main_#t~nondet301#1, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1, main_#t~post305#1, main_#t~mem306#1.base, main_#t~mem306#1.offset, main_#t~mem307#1.base, main_#t~mem307#1.offset, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem310#1.base, main_#t~mem310#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_#t~mem312#1.base, main_#t~mem312#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~mem315#1, main_#t~post316#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite274#1.base, main_#t~ite274#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 360#L715-4true [2023-11-12 02:09:37,075 INFO L750 eck$LassoCheckResult]: Loop: 360#L715-4true call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 161#L715-1true assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 28#L717true assume main_~user~0#1.base == 0 && main_~user~0#1.offset == 0;assume false; 73#L717-2true call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 338#L722-269true assume !true; 240#L715-3true call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 360#L715-4true [2023-11-12 02:09:37,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:37,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 1 times [2023-11-12 02:09:37,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:37,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643499693] [2023-11-12 02:09:37,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:37,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:37,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:09:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:37,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:09:37,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:37,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1336145772, now seen corresponding path program 1 times [2023-11-12 02:09:37,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:37,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142138997] [2023-11-12 02:09:37,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:37,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:37,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:37,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142138997] [2023-11-12 02:09:37,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:09:37,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616370862] [2023-11-12 02:09:37,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:37,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:09:37,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:37,512 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:09:37,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:09:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:37,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:09:37,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:09:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:09:37,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:09:37,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616370862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:37,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:37,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:09:37,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859068413] [2023-11-12 02:09:37,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:37,742 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:09:37,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:37,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:09:37,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:09:37,824 INFO L87 Difference]: Start difference. First operand has 389 states, 384 states have (on average 1.6901041666666667) internal successors, (649), 384 states have internal predecessors, (649), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2023-11-12 02:09:37,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:37,905 INFO L93 Difference]: Finished difference Result 386 states and 572 transitions. [2023-11-12 02:09:37,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 386 states and 572 transitions. [2023-11-12 02:09:37,918 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 368 [2023-11-12 02:09:37,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 386 states to 380 states and 566 transitions. [2023-11-12 02:09:37,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 380 [2023-11-12 02:09:37,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 380 [2023-11-12 02:09:37,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 380 states and 566 transitions. [2023-11-12 02:09:37,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:09:37,961 INFO L218 hiAutomatonCegarLoop]: Abstraction has 380 states and 566 transitions. [2023-11-12 02:09:37,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states and 566 transitions. [2023-11-12 02:09:38,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2023-11-12 02:09:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 376 states have (on average 1.4893617021276595) internal successors, (560), 375 states have internal predecessors, (560), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 02:09:38,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 566 transitions. [2023-11-12 02:09:38,063 INFO L240 hiAutomatonCegarLoop]: Abstraction has 380 states and 566 transitions. [2023-11-12 02:09:38,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:09:38,070 INFO L428 stractBuchiCegarLoop]: Abstraction has 380 states and 566 transitions. [2023-11-12 02:09:38,070 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:09:38,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 380 states and 566 transitions. [2023-11-12 02:09:38,075 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 368 [2023-11-12 02:09:38,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:09:38,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:09:38,079 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:09:38,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:38,080 INFO L748 eck$LassoCheckResult]: Stem: 1128#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 1129#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~switch31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc52#1.base, main_#t~malloc52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~memset~res55#1.base, main_#t~memset~res55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~malloc61#1.base, main_#t~malloc61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~memset~res68#1.base, main_#t~memset~res68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~post79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1, main_#t~nondet82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1, main_#t~post86#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem91#1, main_#t~mem90#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~short94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~malloc97#1.base, main_#t~malloc97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1, main_#t~memset~res102#1.base, main_#t~memset~res102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem107#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~nondet108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem112#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~nondet113#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem124#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1, main_#t~nondet125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~pre128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~post133#1, main_#t~mem137#1, main_#t~mem135#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem136#1, main_#t~mem138#1, main_#t~post139#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~ite159#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem167#1, main_#t~mem166#1, main_#t~mem168#1, main_#t~mem169#1, main_#t~mem171#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem173#1, main_#t~mem175#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem177#1, main_#t~nondet178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~switch187#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~nondet199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~nondet210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1, main_#t~mem219#1, main_#t~mem220#1, main_#t~short221#1, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~ret223#1, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_#t~short230#1, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem232#1.base, main_#t~mem232#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_#t~mem234#1.base, main_#t~mem234#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~mem237#1.base, main_#t~mem237#1.offset, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1.base, main_#t~mem246#1.offset, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem253#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1, main_#t~nondet254#1, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1.base, main_#t~mem256#1.offset, main_#t~mem257#1, main_#t~post258#1, main_#t~mem259#1.base, main_#t~mem259#1.offset, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1, main_#t~post269#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem163#1, main_#t~post164#1, main_#t~mem165#1, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~ite272#1.base, main_#t~ite272#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~short277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1.base, main_#t~mem281#1.offset, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1, main_#t~mem287#1.base, main_#t~mem287#1.offset, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~mem291#1.base, main_#t~mem291#1.offset, main_#t~mem292#1.base, main_#t~mem292#1.offset, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1.base, main_#t~mem295#1.offset, main_#t~mem296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem300#1, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1, main_#t~nondet301#1, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1, main_#t~post305#1, main_#t~mem306#1.base, main_#t~mem306#1.offset, main_#t~mem307#1.base, main_#t~mem307#1.offset, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem310#1.base, main_#t~mem310#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_#t~mem312#1.base, main_#t~mem312#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~mem315#1, main_#t~post316#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite274#1.base, main_#t~ite274#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 979#L715-4 [2023-11-12 02:09:38,089 INFO L750 eck$LassoCheckResult]: Loop: 979#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1170#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 895#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 896#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 1061#L722-269 havoc main_~_ha_hashv~0#1; 1157#L722-176 goto; 1100#L722-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 934#L722-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 935#L722-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch31#1 := 11 == main_~_hj_k~0#1; 849#L722-73 assume main_#t~switch31#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem32#1 % 256 % 4294967296);havoc main_#t~mem32#1; 850#L722-75 main_#t~switch31#1 := main_#t~switch31#1 || 10 == main_~_hj_k~0#1; 980#L722-76 assume main_#t~switch31#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem33#1 % 256 % 4294967296);havoc main_#t~mem33#1; 981#L722-78 main_#t~switch31#1 := main_#t~switch31#1 || 9 == main_~_hj_k~0#1; 1028#L722-79 assume main_#t~switch31#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem34#1 % 256 % 4294967296);havoc main_#t~mem34#1; 1029#L722-81 main_#t~switch31#1 := main_#t~switch31#1 || 8 == main_~_hj_k~0#1; 1104#L722-82 assume main_#t~switch31#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem35#1 % 256 % 4294967296);havoc main_#t~mem35#1; 897#L722-84 main_#t~switch31#1 := main_#t~switch31#1 || 7 == main_~_hj_k~0#1; 898#L722-85 assume main_#t~switch31#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 938#L722-87 main_#t~switch31#1 := main_#t~switch31#1 || 6 == main_~_hj_k~0#1; 927#L722-88 assume !main_#t~switch31#1; 928#L722-90 main_#t~switch31#1 := main_#t~switch31#1 || 5 == main_~_hj_k~0#1; 1145#L722-91 assume main_#t~switch31#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + (if main_#t~mem38#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem38#1 % 256 % 4294967296 else main_#t~mem38#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem38#1; 835#L722-93 main_#t~switch31#1 := main_#t~switch31#1 || 4 == main_~_hj_k~0#1; 836#L722-94 assume main_#t~switch31#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem39#1 % 256 % 4294967296);havoc main_#t~mem39#1; 837#L722-96 main_#t~switch31#1 := main_#t~switch31#1 || 3 == main_~_hj_k~0#1; 838#L722-97 assume main_#t~switch31#1;call main_#t~mem40#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem40#1 % 256 % 4294967296);havoc main_#t~mem40#1; 1074#L722-99 main_#t~switch31#1 := main_#t~switch31#1 || 2 == main_~_hj_k~0#1; 870#L722-100 assume main_#t~switch31#1;call main_#t~mem41#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 871#L722-102 main_#t~switch31#1 := main_#t~switch31#1 || 1 == main_~_hj_k~0#1; 1016#L722-103 assume main_#t~switch31#1;call main_#t~mem42#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem42#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem42#1 % 256 % 4294967296 else main_#t~mem42#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem42#1; 1156#L722-105 havoc main_#t~switch31#1; 1143#L722-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 1138#L722-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 1005#L722-113 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 1130#L722-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 1040#L722-120 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 1041#L722-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 820#L722-127 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 1063#L722-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 848#L722-134 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 816#L722-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 817#L722-141 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 917#L722-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32; 945#L722-148 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 1082#L722-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet49#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 883#L722-155 main_~_hj_i~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 998#L722-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet50#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 999#L722-162 main_~_hj_j~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 1075#L722-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet51#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 805#L722-169 main_~_ha_hashv~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#1; 806#L722-170 goto; 1088#L722-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 1054#L722-173 goto; 1055#L722-175 goto; 1125#L722-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 1148#L722-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem69#1.base, main_#t~mem69#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem69#1.base, main_#t~mem69#1.offset; 1150#L722-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_#t~mem70#1.base, 16 + main_#t~mem70#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_#t~mem72#1.base, 20 + main_#t~mem72#1.offset, 4);call write~$Pointer$(main_#t~mem71#1.base, main_#t~mem71#1.offset - main_#t~mem73#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_#t~mem74#1.base, 16 + main_#t~mem74#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem75#1.base, 8 + main_#t~mem75#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset; 904#L722-193 goto; 905#L722-264 havoc main_~_ha_bkt~0#1;call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);main_#t~post79#1 := main_#t~mem78#1;call write~int(1 + main_#t~post79#1, main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~post79#1; 947#L722-203 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1 := read~int(main_#t~mem80#1.base, 4 + main_#t~mem80#1.offset, 4); 948#L722-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem81#1 - 1) % 4294967296;main_#t~nondet82#1 := 0; 1036#L722-201 main_~_ha_bkt~0#1 := main_#t~nondet82#1;havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1;havoc main_#t~nondet82#1; 1048#L722-202 goto; 920#L722-261 call main_#t~mem83#1.base, main_#t~mem83#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_#t~mem83#1.base, main_#t~mem83#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem84#1.base, main_#t~mem84#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem83#1.base, main_#t~mem83#1.offset;havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call main_#t~mem85#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post86#1 := main_#t~mem85#1;call write~int(1 + main_#t~post86#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem85#1;havoc main_#t~post86#1;call main_#t~mem87#1.base, main_#t~mem87#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem87#1.base, main_#t~mem87#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem87#1.base, main_#t~mem87#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem88#1.base, main_#t~mem88#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 921#L722-205 assume main_#t~mem88#1.base != 0 || main_#t~mem88#1.offset != 0;havoc main_#t~mem88#1.base, main_#t~mem88#1.offset;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem89#1.base, 12 + main_#t~mem89#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset; 1086#L722-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem91#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short94#1 := main_#t~mem91#1 % 4294967296 >= 10 * (1 + main_#t~mem90#1) % 4294967296; 937#L722-208 assume main_#t~short94#1;call main_#t~mem92#1.base, main_#t~mem92#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem93#1 := read~int(main_#t~mem92#1.base, 36 + main_#t~mem92#1.offset, 4);main_#t~short94#1 := 0 == main_#t~mem93#1 % 4294967296; 826#L722-210 assume !main_#t~short94#1;havoc main_#t~mem91#1;havoc main_#t~mem90#1;havoc main_#t~mem92#1.base, main_#t~mem92#1.offset;havoc main_#t~mem93#1;havoc main_#t~short94#1; 827#L722-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 1003#L722-260 goto; 1089#L722-262 havoc main_~_ha_bkt~0#1; 1059#L722-263 goto; 1060#L722-265 goto; 968#L722-267 havoc main_~_ha_hashv~0#1; 829#L722-268 goto; 830#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 979#L715-4 [2023-11-12 02:09:38,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:38,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 2 times [2023-11-12 02:09:38,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:38,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862776961] [2023-11-12 02:09:38,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:38,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:38,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:09:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:38,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:09:38,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:38,205 INFO L85 PathProgramCache]: Analyzing trace with hash -280030059, now seen corresponding path program 1 times [2023-11-12 02:09:38,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:38,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078850563] [2023-11-12 02:09:38,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:38,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:38,290 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:09:38,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1102366271] [2023-11-12 02:09:38,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:38,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:09:38,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:38,327 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:09:38,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:09:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:38,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:09:38,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:09:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:09:38,739 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:09:38,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:38,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078850563] [2023-11-12 02:09:38,740 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:09:38,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102366271] [2023-11-12 02:09:38,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102366271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:38,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:38,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:09:38,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149830904] [2023-11-12 02:09:38,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:38,742 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:09:38,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:38,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:09:38,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:09:38,744 INFO L87 Difference]: Start difference. First operand 380 states and 566 transitions. cyclomatic complexity: 190 Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2023-11-12 02:09:38,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:38,868 INFO L93 Difference]: Finished difference Result 401 states and 587 transitions. [2023-11-12 02:09:38,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 401 states and 587 transitions. [2023-11-12 02:09:38,874 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 389 [2023-11-12 02:09:38,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 401 states to 401 states and 587 transitions. [2023-11-12 02:09:38,881 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 401 [2023-11-12 02:09:38,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 401 [2023-11-12 02:09:38,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 401 states and 587 transitions. [2023-11-12 02:09:38,884 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:09:38,884 INFO L218 hiAutomatonCegarLoop]: Abstraction has 401 states and 587 transitions. [2023-11-12 02:09:38,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states and 587 transitions. [2023-11-12 02:09:38,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 400. [2023-11-12 02:09:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 396 states have (on average 1.4646464646464648) internal successors, (580), 395 states have internal predecessors, (580), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 02:09:38,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 586 transitions. [2023-11-12 02:09:38,913 INFO L240 hiAutomatonCegarLoop]: Abstraction has 400 states and 586 transitions. [2023-11-12 02:09:38,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:09:38,915 INFO L428 stractBuchiCegarLoop]: Abstraction has 400 states and 586 transitions. [2023-11-12 02:09:38,915 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:09:38,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 400 states and 586 transitions. [2023-11-12 02:09:38,919 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 388 [2023-11-12 02:09:38,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:09:38,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:09:38,922 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:09:38,922 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:38,922 INFO L748 eck$LassoCheckResult]: Stem: 2144#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 2145#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~switch31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc52#1.base, main_#t~malloc52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~memset~res55#1.base, main_#t~memset~res55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~malloc61#1.base, main_#t~malloc61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~memset~res68#1.base, main_#t~memset~res68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~post79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1, main_#t~nondet82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1, main_#t~post86#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem91#1, main_#t~mem90#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~short94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~malloc97#1.base, main_#t~malloc97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1, main_#t~memset~res102#1.base, main_#t~memset~res102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem107#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~nondet108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem112#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~nondet113#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem124#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1, main_#t~nondet125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~pre128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~post133#1, main_#t~mem137#1, main_#t~mem135#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem136#1, main_#t~mem138#1, main_#t~post139#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~ite159#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem167#1, main_#t~mem166#1, main_#t~mem168#1, main_#t~mem169#1, main_#t~mem171#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem173#1, main_#t~mem175#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem177#1, main_#t~nondet178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~switch187#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~nondet199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~nondet210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1, main_#t~mem219#1, main_#t~mem220#1, main_#t~short221#1, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~ret223#1, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_#t~short230#1, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem232#1.base, main_#t~mem232#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_#t~mem234#1.base, main_#t~mem234#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~mem237#1.base, main_#t~mem237#1.offset, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1.base, main_#t~mem246#1.offset, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem253#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1, main_#t~nondet254#1, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1.base, main_#t~mem256#1.offset, main_#t~mem257#1, main_#t~post258#1, main_#t~mem259#1.base, main_#t~mem259#1.offset, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1, main_#t~post269#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem163#1, main_#t~post164#1, main_#t~mem165#1, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~ite272#1.base, main_#t~ite272#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~short277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1.base, main_#t~mem281#1.offset, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1, main_#t~mem287#1.base, main_#t~mem287#1.offset, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~mem291#1.base, main_#t~mem291#1.offset, main_#t~mem292#1.base, main_#t~mem292#1.offset, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1.base, main_#t~mem295#1.offset, main_#t~mem296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem300#1, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1, main_#t~nondet301#1, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1, main_#t~post305#1, main_#t~mem306#1.base, main_#t~mem306#1.offset, main_#t~mem307#1.base, main_#t~mem307#1.offset, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem310#1.base, main_#t~mem310#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_#t~mem312#1.base, main_#t~mem312#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~mem315#1, main_#t~post316#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite274#1.base, main_#t~ite274#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 1992#L715-4 [2023-11-12 02:09:38,923 INFO L750 eck$LassoCheckResult]: Loop: 1992#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 2188#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1903#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 1904#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 2074#L722-269 havoc main_~_ha_hashv~0#1; 2174#L722-176 goto; 2114#L722-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 1947#L722-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 1948#L722-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch31#1 := 11 == main_~_hj_k~0#1; 1857#L722-73 assume main_#t~switch31#1;call main_#t~mem32#1 := read~int(main_~_hj_key~0#1.base, 10 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 16777216 * (main_#t~mem32#1 % 256 % 4294967296);havoc main_#t~mem32#1; 1858#L722-75 main_#t~switch31#1 := main_#t~switch31#1 || 10 == main_~_hj_k~0#1; 1993#L722-76 assume main_#t~switch31#1;call main_#t~mem33#1 := read~int(main_~_hj_key~0#1.base, 9 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 65536 * (main_#t~mem33#1 % 256 % 4294967296);havoc main_#t~mem33#1; 1994#L722-78 main_#t~switch31#1 := main_#t~switch31#1 || 9 == main_~_hj_k~0#1; 2041#L722-79 assume main_#t~switch31#1;call main_#t~mem34#1 := read~int(main_~_hj_key~0#1.base, 8 + main_~_hj_key~0#1.offset, 1);main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 + 256 * (main_#t~mem34#1 % 256 % 4294967296);havoc main_#t~mem34#1; 2042#L722-81 main_#t~switch31#1 := main_#t~switch31#1 || 8 == main_~_hj_k~0#1; 2192#L722-82 assume main_#t~switch31#1;call main_#t~mem35#1 := read~int(main_~_hj_key~0#1.base, 7 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 16777216 * (main_#t~mem35#1 % 256 % 4294967296);havoc main_#t~mem35#1; 1910#L722-84 main_#t~switch31#1 := main_#t~switch31#1 || 7 == main_~_hj_k~0#1; 1911#L722-85 assume main_#t~switch31#1;call main_#t~mem36#1 := read~int(main_~_hj_key~0#1.base, 6 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 65536 * (main_#t~mem36#1 % 256 % 4294967296);havoc main_#t~mem36#1; 1951#L722-87 main_#t~switch31#1 := main_#t~switch31#1 || 6 == main_~_hj_k~0#1; 1940#L722-88 assume main_#t~switch31#1;call main_#t~mem37#1 := read~int(main_~_hj_key~0#1.base, 5 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + 256 * (main_#t~mem37#1 % 256 % 4294967296);havoc main_#t~mem37#1; 1941#L722-90 main_#t~switch31#1 := main_#t~switch31#1 || 5 == main_~_hj_k~0#1; 2162#L722-91 assume main_#t~switch31#1;call main_#t~mem38#1 := read~int(main_~_hj_key~0#1.base, 4 + main_~_hj_key~0#1.offset, 1);main_~_hj_j~0#1 := main_~_hj_j~0#1 + (if main_#t~mem38#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem38#1 % 256 % 4294967296 else main_#t~mem38#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem38#1; 1847#L722-93 main_#t~switch31#1 := main_#t~switch31#1 || 4 == main_~_hj_k~0#1; 1848#L722-94 assume main_#t~switch31#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem39#1 % 256 % 4294967296);havoc main_#t~mem39#1; 2179#L722-96 main_#t~switch31#1 := main_#t~switch31#1 || 3 == main_~_hj_k~0#1; 2089#L722-97 assume main_#t~switch31#1;call main_#t~mem40#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem40#1 % 256 % 4294967296);havoc main_#t~mem40#1; 2090#L722-99 main_#t~switch31#1 := main_#t~switch31#1 || 2 == main_~_hj_k~0#1; 1886#L722-100 assume main_#t~switch31#1;call main_#t~mem41#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 1887#L722-102 main_#t~switch31#1 := main_#t~switch31#1 || 1 == main_~_hj_k~0#1; 2029#L722-103 assume main_#t~switch31#1;call main_#t~mem42#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem42#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem42#1 % 256 % 4294967296 else main_#t~mem42#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem42#1; 2173#L722-105 havoc main_#t~switch31#1; 2160#L722-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2158#L722-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 2019#L722-113 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2148#L722-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 2053#L722-120 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2054#L722-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 1834#L722-127 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2076#L722-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 1863#L722-134 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 1828#L722-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 1829#L722-141 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 1930#L722-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32; 1958#L722-148 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 2096#L722-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet49#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 1896#L722-155 main_~_hj_i~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2011#L722-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet50#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 2012#L722-162 main_~_hj_j~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2091#L722-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet51#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 1821#L722-169 main_~_ha_hashv~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#1; 1822#L722-170 goto; 2104#L722-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 2067#L722-173 goto; 2068#L722-175 goto; 2142#L722-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 2165#L722-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem69#1.base, main_#t~mem69#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem69#1.base, main_#t~mem69#1.offset; 2167#L722-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_#t~mem70#1.base, 16 + main_#t~mem70#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_#t~mem72#1.base, 20 + main_#t~mem72#1.offset, 4);call write~$Pointer$(main_#t~mem71#1.base, main_#t~mem71#1.offset - main_#t~mem73#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_#t~mem74#1.base, 16 + main_#t~mem74#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem75#1.base, 8 + main_#t~mem75#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset; 1917#L722-193 goto; 1918#L722-264 havoc main_~_ha_bkt~0#1;call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);main_#t~post79#1 := main_#t~mem78#1;call write~int(1 + main_#t~post79#1, main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~post79#1; 1960#L722-203 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1 := read~int(main_#t~mem80#1.base, 4 + main_#t~mem80#1.offset, 4); 1961#L722-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem81#1 - 1) % 4294967296;main_#t~nondet82#1 := 0; 2049#L722-201 main_~_ha_bkt~0#1 := main_#t~nondet82#1;havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1;havoc main_#t~nondet82#1; 2061#L722-202 goto; 1933#L722-261 call main_#t~mem83#1.base, main_#t~mem83#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_#t~mem83#1.base, main_#t~mem83#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem84#1.base, main_#t~mem84#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem83#1.base, main_#t~mem83#1.offset;havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call main_#t~mem85#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post86#1 := main_#t~mem85#1;call write~int(1 + main_#t~post86#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem85#1;havoc main_#t~post86#1;call main_#t~mem87#1.base, main_#t~mem87#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem87#1.base, main_#t~mem87#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem87#1.base, main_#t~mem87#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem88#1.base, main_#t~mem88#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 1934#L722-205 assume main_#t~mem88#1.base != 0 || main_#t~mem88#1.offset != 0;havoc main_#t~mem88#1.base, main_#t~mem88#1.offset;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem89#1.base, 12 + main_#t~mem89#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset; 2100#L722-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem91#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short94#1 := main_#t~mem91#1 % 4294967296 >= 10 * (1 + main_#t~mem90#1) % 4294967296; 1950#L722-208 assume main_#t~short94#1;call main_#t~mem92#1.base, main_#t~mem92#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem93#1 := read~int(main_#t~mem92#1.base, 36 + main_#t~mem92#1.offset, 4);main_#t~short94#1 := 0 == main_#t~mem93#1 % 4294967296; 1838#L722-210 assume !main_#t~short94#1;havoc main_#t~mem91#1;havoc main_#t~mem90#1;havoc main_#t~mem92#1.base, main_#t~mem92#1.offset;havoc main_#t~mem93#1;havoc main_#t~short94#1; 1839#L722-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 2016#L722-260 goto; 2105#L722-262 havoc main_~_ha_bkt~0#1; 2072#L722-263 goto; 2073#L722-265 goto; 1985#L722-267 havoc main_~_ha_hashv~0#1; 1841#L722-268 goto; 1842#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 1992#L715-4 [2023-11-12 02:09:38,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:38,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 3 times [2023-11-12 02:09:38,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:38,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768168118] [2023-11-12 02:09:38,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:38,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:38,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:09:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:38,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:09:38,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:38,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1540947309, now seen corresponding path program 1 times [2023-11-12 02:09:38,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:38,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584930416] [2023-11-12 02:09:38,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:38,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:39,090 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:09:39,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378656470] [2023-11-12 02:09:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:39,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:09:39,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:39,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:09:39,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:09:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:39,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 02:09:39,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:09:39,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:09:39,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:09:39,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:39,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584930416] [2023-11-12 02:09:39,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:09:39,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378656470] [2023-11-12 02:09:39,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378656470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:39,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:39,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:09:39,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105100708] [2023-11-12 02:09:39,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:39,488 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:09:39,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:39,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:09:39,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:09:39,490 INFO L87 Difference]: Start difference. First operand 400 states and 586 transitions. cyclomatic complexity: 190 Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2023-11-12 02:09:39,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:39,619 INFO L93 Difference]: Finished difference Result 387 states and 566 transitions. [2023-11-12 02:09:39,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 387 states and 566 transitions. [2023-11-12 02:09:39,624 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 375 [2023-11-12 02:09:39,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 387 states to 387 states and 566 transitions. [2023-11-12 02:09:39,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 387 [2023-11-12 02:09:39,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 387 [2023-11-12 02:09:39,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 387 states and 566 transitions. [2023-11-12 02:09:39,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:09:39,632 INFO L218 hiAutomatonCegarLoop]: Abstraction has 387 states and 566 transitions. [2023-11-12 02:09:39,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states and 566 transitions. [2023-11-12 02:09:39,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 386. [2023-11-12 02:09:39,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 382 states have (on average 1.463350785340314) internal successors, (559), 381 states have internal predecessors, (559), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 02:09:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 565 transitions. [2023-11-12 02:09:39,644 INFO L240 hiAutomatonCegarLoop]: Abstraction has 386 states and 565 transitions. [2023-11-12 02:09:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:09:39,646 INFO L428 stractBuchiCegarLoop]: Abstraction has 386 states and 565 transitions. [2023-11-12 02:09:39,646 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-12 02:09:39,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 386 states and 565 transitions. [2023-11-12 02:09:39,649 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 374 [2023-11-12 02:09:39,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:09:39,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:09:39,650 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:09:39,651 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:39,651 INFO L748 eck$LassoCheckResult]: Stem: 3162#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 3163#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~switch31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc52#1.base, main_#t~malloc52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~memset~res55#1.base, main_#t~memset~res55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~malloc61#1.base, main_#t~malloc61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~memset~res68#1.base, main_#t~memset~res68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~post79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1, main_#t~nondet82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1, main_#t~post86#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem91#1, main_#t~mem90#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~short94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~malloc97#1.base, main_#t~malloc97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1, main_#t~memset~res102#1.base, main_#t~memset~res102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem107#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~nondet108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem112#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~nondet113#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem124#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1, main_#t~nondet125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~pre128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~post133#1, main_#t~mem137#1, main_#t~mem135#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem136#1, main_#t~mem138#1, main_#t~post139#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~ite159#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem167#1, main_#t~mem166#1, main_#t~mem168#1, main_#t~mem169#1, main_#t~mem171#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem173#1, main_#t~mem175#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem177#1, main_#t~nondet178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~switch187#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~nondet199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~nondet210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1, main_#t~mem219#1, main_#t~mem220#1, main_#t~short221#1, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~ret223#1, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_#t~short230#1, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem232#1.base, main_#t~mem232#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_#t~mem234#1.base, main_#t~mem234#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~mem237#1.base, main_#t~mem237#1.offset, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1.base, main_#t~mem246#1.offset, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem253#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1, main_#t~nondet254#1, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1.base, main_#t~mem256#1.offset, main_#t~mem257#1, main_#t~post258#1, main_#t~mem259#1.base, main_#t~mem259#1.offset, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1, main_#t~post269#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem163#1, main_#t~post164#1, main_#t~mem165#1, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~ite272#1.base, main_#t~ite272#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~short277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1.base, main_#t~mem281#1.offset, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1, main_#t~mem287#1.base, main_#t~mem287#1.offset, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~mem291#1.base, main_#t~mem291#1.offset, main_#t~mem292#1.base, main_#t~mem292#1.offset, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1.base, main_#t~mem295#1.offset, main_#t~mem296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem300#1, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1, main_#t~nondet301#1, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1, main_#t~post305#1, main_#t~mem306#1.base, main_#t~mem306#1.offset, main_#t~mem307#1.base, main_#t~mem307#1.offset, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem310#1.base, main_#t~mem310#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_#t~mem312#1.base, main_#t~mem312#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~mem315#1, main_#t~post316#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite274#1.base, main_#t~ite274#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 3012#L715-4 [2023-11-12 02:09:39,652 INFO L750 eck$LassoCheckResult]: Loop: 3012#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 3207#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 2923#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 2924#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 3095#L722-269 havoc main_~_ha_hashv~0#1; 3193#L722-176 goto; 3135#L722-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 2967#L722-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 2968#L722-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch31#1 := 11 == main_~_hj_k~0#1; 2878#L722-73 assume !main_#t~switch31#1; 2879#L722-75 main_#t~switch31#1 := main_#t~switch31#1 || 10 == main_~_hj_k~0#1; 3013#L722-76 assume !main_#t~switch31#1; 3014#L722-78 main_#t~switch31#1 := main_#t~switch31#1 || 9 == main_~_hj_k~0#1; 3062#L722-79 assume !main_#t~switch31#1; 3063#L722-81 main_#t~switch31#1 := main_#t~switch31#1 || 8 == main_~_hj_k~0#1; 3139#L722-82 assume !main_#t~switch31#1; 2930#L722-84 main_#t~switch31#1 := main_#t~switch31#1 || 7 == main_~_hj_k~0#1; 2931#L722-85 assume !main_#t~switch31#1; 2971#L722-87 main_#t~switch31#1 := main_#t~switch31#1 || 6 == main_~_hj_k~0#1; 2960#L722-88 assume !main_#t~switch31#1; 2961#L722-90 main_#t~switch31#1 := main_#t~switch31#1 || 5 == main_~_hj_k~0#1; 3180#L722-91 assume !main_#t~switch31#1; 2868#L722-93 main_#t~switch31#1 := main_#t~switch31#1 || 4 == main_~_hj_k~0#1; 2869#L722-94 assume !main_#t~switch31#1; 2870#L722-96 main_#t~switch31#1 := main_#t~switch31#1 || 3 == main_~_hj_k~0#1; 2871#L722-97 assume main_#t~switch31#1;call main_#t~mem40#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem40#1 % 256 % 4294967296);havoc main_#t~mem40#1; 3111#L722-99 main_#t~switch31#1 := main_#t~switch31#1 || 2 == main_~_hj_k~0#1; 2906#L722-100 assume main_#t~switch31#1;call main_#t~mem41#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 2907#L722-102 main_#t~switch31#1 := main_#t~switch31#1 || 1 == main_~_hj_k~0#1; 3191#L722-103 assume main_#t~switch31#1;call main_#t~mem42#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem42#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem42#1 % 256 % 4294967296 else main_#t~mem42#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem42#1; 3192#L722-105 havoc main_#t~switch31#1; 3178#L722-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3176#L722-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 3039#L722-113 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3166#L722-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 3074#L722-120 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 3075#L722-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 2855#L722-127 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3097#L722-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 2883#L722-134 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 2849#L722-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 2850#L722-141 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 2950#L722-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32; 2978#L722-148 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 3117#L722-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet49#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 2916#L722-155 main_~_hj_i~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3031#L722-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet50#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 3032#L722-162 main_~_hj_j~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 3112#L722-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet51#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 2842#L722-169 main_~_ha_hashv~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#1; 2843#L722-170 goto; 3125#L722-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 3088#L722-173 goto; 3089#L722-175 goto; 3160#L722-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 3183#L722-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem69#1.base, main_#t~mem69#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem69#1.base, main_#t~mem69#1.offset; 3185#L722-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_#t~mem70#1.base, 16 + main_#t~mem70#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_#t~mem72#1.base, 20 + main_#t~mem72#1.offset, 4);call write~$Pointer$(main_#t~mem71#1.base, main_#t~mem71#1.offset - main_#t~mem73#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_#t~mem74#1.base, 16 + main_#t~mem74#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem75#1.base, 8 + main_#t~mem75#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset; 2937#L722-193 goto; 2938#L722-264 havoc main_~_ha_bkt~0#1;call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);main_#t~post79#1 := main_#t~mem78#1;call write~int(1 + main_#t~post79#1, main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~post79#1; 2980#L722-203 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1 := read~int(main_#t~mem80#1.base, 4 + main_#t~mem80#1.offset, 4); 2981#L722-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem81#1 - 1) % 4294967296;main_#t~nondet82#1 := 0; 3070#L722-201 main_~_ha_bkt~0#1 := main_#t~nondet82#1;havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1;havoc main_#t~nondet82#1; 3082#L722-202 goto; 2953#L722-261 call main_#t~mem83#1.base, main_#t~mem83#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_#t~mem83#1.base, main_#t~mem83#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem84#1.base, main_#t~mem84#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem83#1.base, main_#t~mem83#1.offset;havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call main_#t~mem85#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post86#1 := main_#t~mem85#1;call write~int(1 + main_#t~post86#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem85#1;havoc main_#t~post86#1;call main_#t~mem87#1.base, main_#t~mem87#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem87#1.base, main_#t~mem87#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem87#1.base, main_#t~mem87#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem88#1.base, main_#t~mem88#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 2954#L722-205 assume main_#t~mem88#1.base != 0 || main_#t~mem88#1.offset != 0;havoc main_#t~mem88#1.base, main_#t~mem88#1.offset;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem89#1.base, 12 + main_#t~mem89#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset; 3121#L722-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem91#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short94#1 := main_#t~mem91#1 % 4294967296 >= 10 * (1 + main_#t~mem90#1) % 4294967296; 2970#L722-208 assume main_#t~short94#1;call main_#t~mem92#1.base, main_#t~mem92#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem93#1 := read~int(main_#t~mem92#1.base, 36 + main_#t~mem92#1.offset, 4);main_#t~short94#1 := 0 == main_#t~mem93#1 % 4294967296; 2859#L722-210 assume !main_#t~short94#1;havoc main_#t~mem91#1;havoc main_#t~mem90#1;havoc main_#t~mem92#1.base, main_#t~mem92#1.offset;havoc main_#t~mem93#1;havoc main_#t~short94#1; 2860#L722-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 3036#L722-260 goto; 3126#L722-262 havoc main_~_ha_bkt~0#1; 3093#L722-263 goto; 3094#L722-265 goto; 3005#L722-267 havoc main_~_ha_hashv~0#1; 2862#L722-268 goto; 2863#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 3012#L715-4 [2023-11-12 02:09:39,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:39,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 4 times [2023-11-12 02:09:39,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:39,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616666051] [2023-11-12 02:09:39,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:39,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:39,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:09:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:39,691 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:09:39,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:39,691 INFO L85 PathProgramCache]: Analyzing trace with hash 753200291, now seen corresponding path program 1 times [2023-11-12 02:09:39,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:39,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988452801] [2023-11-12 02:09:39,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:39,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:39,744 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:09:39,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [370795636] [2023-11-12 02:09:39,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:39,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:09:39,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:39,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:09:39,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:09:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:09:40,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:09:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:09:40,142 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:09:40,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:40,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988452801] [2023-11-12 02:09:40,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:09:40,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370795636] [2023-11-12 02:09:40,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370795636] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:40,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:40,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:09:40,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962942671] [2023-11-12 02:09:40,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:40,145 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:09:40,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:40,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:09:40,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:09:40,146 INFO L87 Difference]: Start difference. First operand 386 states and 565 transitions. cyclomatic complexity: 183 Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 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) [2023-11-12 02:09:40,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:40,329 INFO L93 Difference]: Finished difference Result 496 states and 731 transitions. [2023-11-12 02:09:40,329 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 496 states and 731 transitions. [2023-11-12 02:09:40,335 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 484 [2023-11-12 02:09:40,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 496 states to 496 states and 731 transitions. [2023-11-12 02:09:40,341 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 496 [2023-11-12 02:09:40,342 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2023-11-12 02:09:40,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 496 states and 731 transitions. [2023-11-12 02:09:40,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:09:40,344 INFO L218 hiAutomatonCegarLoop]: Abstraction has 496 states and 731 transitions. [2023-11-12 02:09:40,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states and 731 transitions. [2023-11-12 02:09:40,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 409. [2023-11-12 02:09:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 405 states have (on average 1.4419753086419753) internal successors, (584), 404 states have internal predecessors, (584), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 02:09:40,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 590 transitions. [2023-11-12 02:09:40,356 INFO L240 hiAutomatonCegarLoop]: Abstraction has 409 states and 590 transitions. [2023-11-12 02:09:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:09:40,358 INFO L428 stractBuchiCegarLoop]: Abstraction has 409 states and 590 transitions. [2023-11-12 02:09:40,358 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-12 02:09:40,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 409 states and 590 transitions. [2023-11-12 02:09:40,361 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 397 [2023-11-12 02:09:40,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:09:40,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:09:40,364 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:09:40,365 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:40,365 INFO L748 eck$LassoCheckResult]: Stem: 4282#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 4283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~switch31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc52#1.base, main_#t~malloc52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~memset~res55#1.base, main_#t~memset~res55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~malloc61#1.base, main_#t~malloc61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~memset~res68#1.base, main_#t~memset~res68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~post79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1, main_#t~nondet82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1, main_#t~post86#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem91#1, main_#t~mem90#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~short94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~malloc97#1.base, main_#t~malloc97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1, main_#t~memset~res102#1.base, main_#t~memset~res102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem107#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~nondet108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem112#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~nondet113#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem124#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1, main_#t~nondet125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~pre128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~post133#1, main_#t~mem137#1, main_#t~mem135#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem136#1, main_#t~mem138#1, main_#t~post139#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~ite159#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem167#1, main_#t~mem166#1, main_#t~mem168#1, main_#t~mem169#1, main_#t~mem171#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem173#1, main_#t~mem175#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem177#1, main_#t~nondet178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~switch187#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~nondet199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~nondet210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1, main_#t~mem219#1, main_#t~mem220#1, main_#t~short221#1, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~ret223#1, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_#t~short230#1, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem232#1.base, main_#t~mem232#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_#t~mem234#1.base, main_#t~mem234#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~mem237#1.base, main_#t~mem237#1.offset, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1.base, main_#t~mem246#1.offset, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem253#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1, main_#t~nondet254#1, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1.base, main_#t~mem256#1.offset, main_#t~mem257#1, main_#t~post258#1, main_#t~mem259#1.base, main_#t~mem259#1.offset, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1, main_#t~post269#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem163#1, main_#t~post164#1, main_#t~mem165#1, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~ite272#1.base, main_#t~ite272#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~short277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1.base, main_#t~mem281#1.offset, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1, main_#t~mem287#1.base, main_#t~mem287#1.offset, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~mem291#1.base, main_#t~mem291#1.offset, main_#t~mem292#1.base, main_#t~mem292#1.offset, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1.base, main_#t~mem295#1.offset, main_#t~mem296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem300#1, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1, main_#t~nondet301#1, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1, main_#t~post305#1, main_#t~mem306#1.base, main_#t~mem306#1.offset, main_#t~mem307#1.base, main_#t~mem307#1.offset, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem310#1.base, main_#t~mem310#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_#t~mem312#1.base, main_#t~mem312#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~mem315#1, main_#t~post316#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite274#1.base, main_#t~ite274#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 4128#L715-4 [2023-11-12 02:09:40,367 INFO L750 eck$LassoCheckResult]: Loop: 4128#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 4332#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 4038#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 4039#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 4213#L722-269 havoc main_~_ha_hashv~0#1; 4315#L722-176 goto; 4252#L722-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 4082#L722-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 4083#L722-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch31#1 := 11 == main_~_hj_k~0#1; 3993#L722-73 assume !main_#t~switch31#1; 3994#L722-75 main_#t~switch31#1 := main_#t~switch31#1 || 10 == main_~_hj_k~0#1; 4129#L722-76 assume !main_#t~switch31#1; 4130#L722-78 main_#t~switch31#1 := main_#t~switch31#1 || 9 == main_~_hj_k~0#1; 4178#L722-79 assume !main_#t~switch31#1; 4179#L722-81 main_#t~switch31#1 := main_#t~switch31#1 || 8 == main_~_hj_k~0#1; 4337#L722-82 assume !main_#t~switch31#1; 4338#L722-84 main_#t~switch31#1 := main_#t~switch31#1 || 7 == main_~_hj_k~0#1; 4180#L722-85 assume !main_#t~switch31#1; 4181#L722-87 main_#t~switch31#1 := main_#t~switch31#1 || 6 == main_~_hj_k~0#1; 4075#L722-88 assume !main_#t~switch31#1; 4076#L722-90 main_#t~switch31#1 := main_#t~switch31#1 || 5 == main_~_hj_k~0#1; 4322#L722-91 assume !main_#t~switch31#1; 4323#L722-93 main_#t~switch31#1 := main_#t~switch31#1 || 4 == main_~_hj_k~0#1; 4320#L722-94 assume !main_#t~switch31#1; 4321#L722-96 main_#t~switch31#1 := main_#t~switch31#1 || 3 == main_~_hj_k~0#1; 4354#L722-97 assume !main_#t~switch31#1; 4353#L722-99 main_#t~switch31#1 := main_#t~switch31#1 || 2 == main_~_hj_k~0#1; 4352#L722-100 assume !main_#t~switch31#1; 4165#L722-102 main_#t~switch31#1 := main_#t~switch31#1 || 1 == main_~_hj_k~0#1; 4166#L722-103 assume !main_#t~switch31#1; 4314#L722-105 havoc main_#t~switch31#1; 4298#L722-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 4296#L722-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 4155#L722-113 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 4286#L722-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 4192#L722-120 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 4193#L722-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 3970#L722-127 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 4215#L722-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 3998#L722-134 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 3964#L722-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 3965#L722-141 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 4065#L722-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32; 4094#L722-148 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 4234#L722-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet49#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 4031#L722-155 main_~_hj_i~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 4147#L722-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet50#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 4148#L722-162 main_~_hj_j~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 4229#L722-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet51#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 3957#L722-169 main_~_ha_hashv~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#1; 3958#L722-170 goto; 4242#L722-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 4206#L722-173 goto; 4207#L722-175 goto; 4280#L722-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 4304#L722-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem69#1.base, main_#t~mem69#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem69#1.base, main_#t~mem69#1.offset; 4306#L722-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_#t~mem70#1.base, 16 + main_#t~mem70#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_#t~mem72#1.base, 20 + main_#t~mem72#1.offset, 4);call write~$Pointer$(main_#t~mem71#1.base, main_#t~mem71#1.offset - main_#t~mem73#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_#t~mem74#1.base, 16 + main_#t~mem74#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem75#1.base, 8 + main_#t~mem75#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset; 4052#L722-193 goto; 4053#L722-264 havoc main_~_ha_bkt~0#1;call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);main_#t~post79#1 := main_#t~mem78#1;call write~int(1 + main_#t~post79#1, main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~post79#1; 4096#L722-203 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1 := read~int(main_#t~mem80#1.base, 4 + main_#t~mem80#1.offset, 4); 4097#L722-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem81#1 - 1) % 4294967296;main_#t~nondet82#1 := 0; 4188#L722-201 main_~_ha_bkt~0#1 := main_#t~nondet82#1;havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1;havoc main_#t~nondet82#1; 4200#L722-202 goto; 4068#L722-261 call main_#t~mem83#1.base, main_#t~mem83#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_#t~mem83#1.base, main_#t~mem83#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem84#1.base, main_#t~mem84#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem83#1.base, main_#t~mem83#1.offset;havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call main_#t~mem85#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post86#1 := main_#t~mem85#1;call write~int(1 + main_#t~post86#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem85#1;havoc main_#t~post86#1;call main_#t~mem87#1.base, main_#t~mem87#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem87#1.base, main_#t~mem87#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem87#1.base, main_#t~mem87#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem88#1.base, main_#t~mem88#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 4069#L722-205 assume main_#t~mem88#1.base != 0 || main_#t~mem88#1.offset != 0;havoc main_#t~mem88#1.base, main_#t~mem88#1.offset;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem89#1.base, 12 + main_#t~mem89#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset; 4238#L722-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem91#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short94#1 := main_#t~mem91#1 % 4294967296 >= 10 * (1 + main_#t~mem90#1) % 4294967296; 4085#L722-208 assume main_#t~short94#1;call main_#t~mem92#1.base, main_#t~mem92#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem93#1 := read~int(main_#t~mem92#1.base, 36 + main_#t~mem92#1.offset, 4);main_#t~short94#1 := 0 == main_#t~mem93#1 % 4294967296; 3974#L722-210 assume !main_#t~short94#1;havoc main_#t~mem91#1;havoc main_#t~mem90#1;havoc main_#t~mem92#1.base, main_#t~mem92#1.offset;havoc main_#t~mem93#1;havoc main_#t~short94#1; 3975#L722-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 4152#L722-260 goto; 4243#L722-262 havoc main_~_ha_bkt~0#1; 4211#L722-263 goto; 4212#L722-265 goto; 4121#L722-267 havoc main_~_ha_hashv~0#1; 3977#L722-268 goto; 3978#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 4128#L715-4 [2023-11-12 02:09:40,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:40,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 5 times [2023-11-12 02:09:40,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:40,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974247927] [2023-11-12 02:09:40,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:40,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:40,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:09:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:40,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:09:40,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:40,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1643992919, now seen corresponding path program 1 times [2023-11-12 02:09:40,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:40,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062926785] [2023-11-12 02:09:40,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:40,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:40,493 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:09:40,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636248206] [2023-11-12 02:09:40,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:40,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:09:40,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:40,498 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:09:40,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:09:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:40,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:09:40,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:09:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:09:40,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:09:40,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:40,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062926785] [2023-11-12 02:09:40,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:09:40,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636248206] [2023-11-12 02:09:40,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636248206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:40,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:40,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:09:40,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007862850] [2023-11-12 02:09:40,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:40,890 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:09:40,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:40,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:09:40,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:09:40,891 INFO L87 Difference]: Start difference. First operand 409 states and 590 transitions. cyclomatic complexity: 185 Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 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) [2023-11-12 02:09:40,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:40,959 INFO L93 Difference]: Finished difference Result 341 states and 488 transitions. [2023-11-12 02:09:40,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 341 states and 488 transitions. [2023-11-12 02:09:40,963 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 329 [2023-11-12 02:09:40,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 341 states to 341 states and 488 transitions. [2023-11-12 02:09:40,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 341 [2023-11-12 02:09:40,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 341 [2023-11-12 02:09:40,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 341 states and 488 transitions. [2023-11-12 02:09:40,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:09:40,970 INFO L218 hiAutomatonCegarLoop]: Abstraction has 341 states and 488 transitions. [2023-11-12 02:09:40,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states and 488 transitions. [2023-11-12 02:09:40,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2023-11-12 02:09:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 337 states have (on average 1.4302670623145401) internal successors, (482), 336 states have internal predecessors, (482), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 02:09:40,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 488 transitions. [2023-11-12 02:09:40,980 INFO L240 hiAutomatonCegarLoop]: Abstraction has 341 states and 488 transitions. [2023-11-12 02:09:40,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:09:40,981 INFO L428 stractBuchiCegarLoop]: Abstraction has 341 states and 488 transitions. [2023-11-12 02:09:40,981 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-12 02:09:40,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 341 states and 488 transitions. [2023-11-12 02:09:40,984 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 329 [2023-11-12 02:09:40,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:09:40,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:09:40,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:09:40,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:40,985 INFO L748 eck$LassoCheckResult]: Stem: 5231#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 5232#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~switch31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc52#1.base, main_#t~malloc52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~memset~res55#1.base, main_#t~memset~res55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~malloc61#1.base, main_#t~malloc61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~memset~res68#1.base, main_#t~memset~res68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~post79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1, main_#t~nondet82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1, main_#t~post86#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem91#1, main_#t~mem90#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~short94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~malloc97#1.base, main_#t~malloc97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1, main_#t~memset~res102#1.base, main_#t~memset~res102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem107#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~nondet108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem112#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~nondet113#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem124#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1, main_#t~nondet125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~pre128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~post133#1, main_#t~mem137#1, main_#t~mem135#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem136#1, main_#t~mem138#1, main_#t~post139#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~ite159#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem167#1, main_#t~mem166#1, main_#t~mem168#1, main_#t~mem169#1, main_#t~mem171#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem173#1, main_#t~mem175#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem177#1, main_#t~nondet178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~switch187#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~nondet199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~nondet210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1, main_#t~mem219#1, main_#t~mem220#1, main_#t~short221#1, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~ret223#1, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_#t~short230#1, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem232#1.base, main_#t~mem232#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_#t~mem234#1.base, main_#t~mem234#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~mem237#1.base, main_#t~mem237#1.offset, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1.base, main_#t~mem246#1.offset, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem253#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1, main_#t~nondet254#1, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1.base, main_#t~mem256#1.offset, main_#t~mem257#1, main_#t~post258#1, main_#t~mem259#1.base, main_#t~mem259#1.offset, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1, main_#t~post269#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem163#1, main_#t~post164#1, main_#t~mem165#1, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~ite272#1.base, main_#t~ite272#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~short277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1.base, main_#t~mem281#1.offset, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1, main_#t~mem287#1.base, main_#t~mem287#1.offset, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~mem291#1.base, main_#t~mem291#1.offset, main_#t~mem292#1.base, main_#t~mem292#1.offset, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1.base, main_#t~mem295#1.offset, main_#t~mem296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem300#1, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1, main_#t~nondet301#1, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1, main_#t~post305#1, main_#t~mem306#1.base, main_#t~mem306#1.offset, main_#t~mem307#1.base, main_#t~mem307#1.offset, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem310#1.base, main_#t~mem310#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_#t~mem312#1.base, main_#t~mem312#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~mem315#1, main_#t~post316#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite274#1.base, main_#t~ite274#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 5095#L715-4 [2023-11-12 02:09:40,986 INFO L750 eck$LassoCheckResult]: Loop: 5095#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 5265#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 5019#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 5020#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 5168#L722-269 havoc main_~_ha_hashv~0#1; 5256#L722-176 goto; 5208#L722-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 5055#L722-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 5056#L722-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch31#1 := 11 == main_~_hj_k~0#1; 4971#L722-73 assume !main_#t~switch31#1; 4972#L722-75 main_#t~switch31#1 := main_#t~switch31#1 || 10 == main_~_hj_k~0#1; 5096#L722-76 assume !main_#t~switch31#1; 5097#L722-78 main_#t~switch31#1 := main_#t~switch31#1 || 9 == main_~_hj_k~0#1; 5136#L722-79 assume !main_#t~switch31#1; 5137#L722-81 main_#t~switch31#1 := main_#t~switch31#1 || 8 == main_~_hj_k~0#1; 5210#L722-82 assume !main_#t~switch31#1; 5021#L722-84 main_#t~switch31#1 := main_#t~switch31#1 || 7 == main_~_hj_k~0#1; 5022#L722-85 assume !main_#t~switch31#1; 5058#L722-87 main_#t~switch31#1 := main_#t~switch31#1 || 6 == main_~_hj_k~0#1; 5048#L722-88 assume !main_#t~switch31#1; 5049#L722-90 main_#t~switch31#1 := main_#t~switch31#1 || 5 == main_~_hj_k~0#1; 5245#L722-91 assume !main_#t~switch31#1; 4963#L722-93 main_#t~switch31#1 := main_#t~switch31#1 || 4 == main_~_hj_k~0#1; 4964#L722-94 assume main_#t~switch31#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem39#1 % 256 % 4294967296);havoc main_#t~mem39#1; 4965#L722-96 main_#t~switch31#1 := main_#t~switch31#1 || 3 == main_~_hj_k~0#1; 4966#L722-97 assume main_#t~switch31#1;call main_#t~mem40#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem40#1 % 256 % 4294967296);havoc main_#t~mem40#1; 5183#L722-99 main_#t~switch31#1 := main_#t~switch31#1 || 2 == main_~_hj_k~0#1; 4999#L722-100 assume main_#t~switch31#1;call main_#t~mem41#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 5000#L722-102 main_#t~switch31#1 := main_#t~switch31#1 || 1 == main_~_hj_k~0#1; 5126#L722-103 assume main_#t~switch31#1;call main_#t~mem42#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem42#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem42#1 % 256 % 4294967296 else main_#t~mem42#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem42#1; 5255#L722-105 havoc main_#t~switch31#1; 5243#L722-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 5241#L722-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 5119#L722-113 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 5234#L722-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 5147#L722-120 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5148#L722-121 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet45#1 := main_~_hj_j~0#1 % 4294967296 / 8192; 4950#L722-127 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 5170#L722-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 4976#L722-134 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 4944#L722-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 4945#L722-141 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5041#L722-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32; 5065#L722-148 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 5189#L722-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet49#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 5007#L722-155 main_~_hj_i~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 5111#L722-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet50#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 5112#L722-162 main_~_hj_j~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5184#L722-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet51#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 4937#L722-169 main_~_ha_hashv~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#1; 4938#L722-170 goto; 5197#L722-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 5161#L722-173 goto; 5162#L722-175 goto; 5228#L722-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 5248#L722-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem69#1.base, main_#t~mem69#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem69#1.base, main_#t~mem69#1.offset; 5250#L722-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_#t~mem70#1.base, 16 + main_#t~mem70#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_#t~mem72#1.base, 20 + main_#t~mem72#1.offset, 4);call write~$Pointer$(main_#t~mem71#1.base, main_#t~mem71#1.offset - main_#t~mem73#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_#t~mem74#1.base, 16 + main_#t~mem74#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem75#1.base, 8 + main_#t~mem75#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset; 5028#L722-193 goto; 5029#L722-264 havoc main_~_ha_bkt~0#1;call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);main_#t~post79#1 := main_#t~mem78#1;call write~int(1 + main_#t~post79#1, main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~post79#1; 5067#L722-203 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1 := read~int(main_#t~mem80#1.base, 4 + main_#t~mem80#1.offset, 4); 5068#L722-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem81#1 - 1) % 4294967296;main_#t~nondet82#1 := 0; 5143#L722-201 main_~_ha_bkt~0#1 := main_#t~nondet82#1;havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1;havoc main_#t~nondet82#1; 5155#L722-202 goto; 5044#L722-261 call main_#t~mem83#1.base, main_#t~mem83#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_#t~mem83#1.base, main_#t~mem83#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem84#1.base, main_#t~mem84#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem83#1.base, main_#t~mem83#1.offset;havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call main_#t~mem85#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post86#1 := main_#t~mem85#1;call write~int(1 + main_#t~post86#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem85#1;havoc main_#t~post86#1;call main_#t~mem87#1.base, main_#t~mem87#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem87#1.base, main_#t~mem87#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem87#1.base, main_#t~mem87#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem88#1.base, main_#t~mem88#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 5045#L722-205 assume main_#t~mem88#1.base != 0 || main_#t~mem88#1.offset != 0;havoc main_#t~mem88#1.base, main_#t~mem88#1.offset;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem89#1.base, 12 + main_#t~mem89#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset; 5193#L722-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem91#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short94#1 := main_#t~mem91#1 % 4294967296 >= 10 * (1 + main_#t~mem90#1) % 4294967296; 5057#L722-208 assume main_#t~short94#1;call main_#t~mem92#1.base, main_#t~mem92#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem93#1 := read~int(main_#t~mem92#1.base, 36 + main_#t~mem92#1.offset, 4);main_#t~short94#1 := 0 == main_#t~mem93#1 % 4294967296; 4954#L722-210 assume !main_#t~short94#1;havoc main_#t~mem91#1;havoc main_#t~mem90#1;havoc main_#t~mem92#1.base, main_#t~mem92#1.offset;havoc main_#t~mem93#1;havoc main_#t~short94#1; 4955#L722-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 5116#L722-260 goto; 5198#L722-262 havoc main_~_ha_bkt~0#1; 5166#L722-263 goto; 5167#L722-265 goto; 5088#L722-267 havoc main_~_ha_hashv~0#1; 4957#L722-268 goto; 4958#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 5095#L715-4 [2023-11-12 02:09:40,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 6 times [2023-11-12 02:09:40,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:40,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131427741] [2023-11-12 02:09:40,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:40,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:41,002 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:09:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:41,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:09:41,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:41,020 INFO L85 PathProgramCache]: Analyzing trace with hash 309299617, now seen corresponding path program 1 times [2023-11-12 02:09:41,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:41,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794273745] [2023-11-12 02:09:41,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:41,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:41,071 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:09:41,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804251893] [2023-11-12 02:09:41,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:41,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:09:41,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:41,078 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:09:41,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:09:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:41,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-12 02:09:41,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:09:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:09:41,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:09:41,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:41,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794273745] [2023-11-12 02:09:41,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:09:41,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804251893] [2023-11-12 02:09:41,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804251893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:41,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:41,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:09:41,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035700684] [2023-11-12 02:09:41,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:41,596 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:09:41,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:41,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:09:41,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:09:41,598 INFO L87 Difference]: Start difference. First operand 341 states and 488 transitions. cyclomatic complexity: 151 Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2023-11-12 02:09:42,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:09:42,105 INFO L93 Difference]: Finished difference Result 351 states and 500 transitions. [2023-11-12 02:09:42,106 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 351 states and 500 transitions. [2023-11-12 02:09:42,110 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 339 [2023-11-12 02:09:42,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 351 states to 351 states and 500 transitions. [2023-11-12 02:09:42,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 351 [2023-11-12 02:09:42,115 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 351 [2023-11-12 02:09:42,115 INFO L73 IsDeterministic]: Start isDeterministic. Operand 351 states and 500 transitions. [2023-11-12 02:09:42,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:09:42,116 INFO L218 hiAutomatonCegarLoop]: Abstraction has 351 states and 500 transitions. [2023-11-12 02:09:42,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states and 500 transitions. [2023-11-12 02:09:42,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 348. [2023-11-12 02:09:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 344 states have (on average 1.4244186046511629) internal successors, (490), 343 states have internal predecessors, (490), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 02:09:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 496 transitions. [2023-11-12 02:09:42,127 INFO L240 hiAutomatonCegarLoop]: Abstraction has 348 states and 496 transitions. [2023-11-12 02:09:42,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:09:42,129 INFO L428 stractBuchiCegarLoop]: Abstraction has 348 states and 496 transitions. [2023-11-12 02:09:42,129 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-12 02:09:42,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 348 states and 496 transitions. [2023-11-12 02:09:42,132 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 336 [2023-11-12 02:09:42,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:09:42,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:09:42,133 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:09:42,133 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:09:42,133 INFO L748 eck$LassoCheckResult]: Stem: 6159#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(21, 2); 6160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~mem7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~mem10#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~mem15#1, main_#t~mem14#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem19#1, main_#t~mem18#1, main_#t~mem20#1, main_#t~mem21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~switch31#1, main_#t~mem32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~mem35#1, main_#t~mem36#1, main_#t~mem37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~mem40#1, main_#t~mem41#1, main_#t~mem42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~nondet48#1, main_#t~nondet49#1, main_#t~nondet50#1, main_#t~nondet51#1, main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, main_#t~malloc52#1.base, main_#t~malloc52#1.offset, main_#t~mem53#1.base, main_#t~mem53#1.offset, main_#t~mem54#1.base, main_#t~mem54#1.offset, main_#t~memset~res55#1.base, main_#t~memset~res55#1.offset, main_#t~mem56#1.base, main_#t~mem56#1.offset, main_#t~mem57#1.base, main_#t~mem57#1.offset, main_#t~mem58#1.base, main_#t~mem58#1.offset, main_#t~mem59#1.base, main_#t~mem59#1.offset, main_#t~mem60#1.base, main_#t~mem60#1.offset, main_#t~malloc61#1.base, main_#t~malloc61#1.offset, main_#t~mem62#1.base, main_#t~mem62#1.offset, main_#t~mem63#1.base, main_#t~mem63#1.offset, main_#t~mem64#1.base, main_#t~mem64#1.offset, main_#t~mem65#1.base, main_#t~mem65#1.offset, main_#t~mem66#1.base, main_#t~mem66#1.offset, main_#t~mem67#1.base, main_#t~mem67#1.offset, main_#t~memset~res68#1.base, main_#t~memset~res68#1.offset, main_#t~mem69#1.base, main_#t~mem69#1.offset, main_#t~mem70#1.base, main_#t~mem70#1.offset, main_#t~mem71#1.base, main_#t~mem71#1.offset, main_#t~mem72#1.base, main_#t~mem72#1.offset, main_#t~mem73#1, main_#t~mem74#1.base, main_#t~mem74#1.offset, main_#t~mem75#1.base, main_#t~mem75#1.offset, main_#t~mem76#1.base, main_#t~mem76#1.offset, main_#t~mem77#1.base, main_#t~mem77#1.offset, main_#t~mem78#1, main_#t~post79#1, main_#t~mem80#1.base, main_#t~mem80#1.offset, main_#t~mem81#1, main_#t~nondet82#1, main_#t~mem83#1.base, main_#t~mem83#1.offset, main_#t~mem84#1.base, main_#t~mem84#1.offset, main_#t~mem85#1, main_#t~post86#1, main_#t~mem87#1.base, main_#t~mem87#1.offset, main_#t~mem88#1.base, main_#t~mem88#1.offset, main_#t~mem89#1.base, main_#t~mem89#1.offset, main_#t~mem91#1, main_#t~mem90#1, main_#t~mem92#1.base, main_#t~mem92#1.offset, main_#t~mem93#1, main_#t~short94#1, main_#t~mem95#1.base, main_#t~mem95#1.offset, main_#t~mem96#1, main_#t~malloc97#1.base, main_#t~malloc97#1.offset, main_#t~mem98#1.base, main_#t~mem98#1.offset, main_#t~mem99#1.base, main_#t~mem99#1.offset, main_#t~mem100#1.base, main_#t~mem100#1.offset, main_#t~mem101#1, main_#t~memset~res102#1.base, main_#t~memset~res102#1.offset, main_#t~mem103#1.base, main_#t~mem103#1.offset, main_#t~mem104#1.base, main_#t~mem104#1.offset, main_#t~mem107#1, main_#t~mem105#1.base, main_#t~mem105#1.offset, main_#t~mem106#1, main_#t~nondet108#1, main_#t~mem109#1.base, main_#t~mem109#1.offset, main_#t~mem112#1, main_#t~mem110#1.base, main_#t~mem110#1.offset, main_#t~mem111#1, main_#t~nondet113#1, main_#t~mem114#1.base, main_#t~mem114#1.offset, main_#t~mem118#1.base, main_#t~mem118#1.offset, main_#t~mem119#1.base, main_#t~mem119#1.offset, main_#t~mem120#1.base, main_#t~mem120#1.offset, main_#t~mem121#1.base, main_#t~mem121#1.offset, main_#t~mem124#1, main_#t~mem122#1.base, main_#t~mem122#1.offset, main_#t~mem123#1, main_#t~nondet125#1, main_#t~mem126#1.base, main_#t~mem126#1.offset, main_#t~mem127#1, main_#t~pre128#1, main_#t~mem129#1.base, main_#t~mem129#1.offset, main_#t~mem130#1, main_#t~mem131#1.base, main_#t~mem131#1.offset, main_#t~mem132#1, main_#t~post133#1, main_#t~mem137#1, main_#t~mem135#1, main_#t~mem134#1.base, main_#t~mem134#1.offset, main_#t~mem136#1, main_#t~mem138#1, main_#t~post139#1, main_#t~mem140#1.base, main_#t~mem140#1.offset, main_#t~mem141#1.base, main_#t~mem141#1.offset, main_#t~mem142#1.base, main_#t~mem142#1.offset, main_#t~post115#1, main_#t~mem116#1.base, main_#t~mem116#1.offset, main_#t~mem117#1, main_#t~mem143#1.base, main_#t~mem143#1.offset, main_#t~mem144#1.base, main_#t~mem144#1.offset, main_#t~mem145#1.base, main_#t~mem145#1.offset, main_#t~mem146#1, main_#t~mem147#1.base, main_#t~mem147#1.offset, main_#t~mem148#1, main_#t~post149#1, main_#t~mem150#1.base, main_#t~mem150#1.offset, main_#t~mem151#1.base, main_#t~mem151#1.offset, main_#t~mem152#1.base, main_#t~mem152#1.offset, main_#t~mem153#1.base, main_#t~mem153#1.offset, main_#t~mem156#1, main_#t~mem154#1.base, main_#t~mem154#1.offset, main_#t~mem155#1, main_#t~ite159#1, main_#t~mem157#1.base, main_#t~mem157#1.offset, main_#t~mem158#1, main_#t~mem160#1.base, main_#t~mem160#1.offset, main_#t~mem161#1, main_#t~mem162#1.base, main_#t~mem162#1.offset, main_~_he_bkt~0#1, main_~_he_bkt_i~0#1, main_~_he_thh~0#1.base, main_~_he_thh~0#1.offset, main_~_he_hh_nxt~0#1.base, main_~_he_hh_nxt~0#1.offset, main_~#_he_new_buckets~0#1.base, main_~#_he_new_buckets~0#1.offset, main_~_he_newbkt~0#1.base, main_~_he_newbkt~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, main_~_ha_bkt~0#1, main_~_ha_hashv~0#1, main_#t~mem3#1, main_#t~post4#1, main_#t~mem5#1, main_#t~mem167#1, main_#t~mem166#1, main_#t~mem168#1, main_#t~mem169#1, main_#t~mem171#1, main_#t~mem170#1, main_#t~mem172#1, main_#t~mem173#1, main_#t~mem175#1, main_#t~mem174#1, main_#t~mem176#1, main_#t~mem177#1, main_#t~nondet178#1, main_#t~nondet179#1, main_#t~nondet180#1, main_#t~nondet181#1, main_#t~nondet182#1, main_#t~nondet183#1, main_#t~nondet184#1, main_#t~nondet185#1, main_#t~nondet186#1, main_#t~switch187#1, main_#t~mem188#1, main_#t~mem189#1, main_#t~mem190#1, main_#t~mem191#1, main_#t~mem192#1, main_#t~mem193#1, main_#t~mem194#1, main_#t~mem195#1, main_#t~mem196#1, main_#t~mem197#1, main_#t~mem198#1, main_#t~nondet199#1, main_#t~nondet200#1, main_#t~nondet201#1, main_#t~nondet202#1, main_#t~nondet203#1, main_#t~nondet204#1, main_#t~nondet205#1, main_#t~nondet206#1, main_#t~nondet207#1, main_~_hj_i~1#1, main_~_hj_j~1#1, main_~_hj_k~1#1, main_~_hj_key~1#1.base, main_~_hj_key~1#1.offset, main_#t~mem208#1.base, main_#t~mem208#1.offset, main_#t~mem209#1, main_#t~nondet210#1, main_#t~mem211#1.base, main_#t~mem211#1.offset, main_#t~mem212#1.base, main_#t~mem212#1.offset, main_#t~mem213#1.base, main_#t~mem213#1.offset, main_#t~mem214#1.base, main_#t~mem214#1.offset, main_#t~mem215#1.base, main_#t~mem215#1.offset, main_#t~mem216#1.base, main_#t~mem216#1.offset, main_#t~mem217#1.base, main_#t~mem217#1.offset, main_#t~mem218#1, main_#t~mem219#1, main_#t~mem220#1, main_#t~short221#1, main_#t~mem222#1.base, main_#t~mem222#1.offset, main_#t~ret223#1, main_#t~mem224#1.base, main_#t~mem224#1.offset, main_#t~mem225#1.base, main_#t~mem225#1.offset, main_#t~mem226#1.base, main_#t~mem226#1.offset, main_#t~mem227#1, main_~_hf_bkt~0#1, main_~_hf_hashv~0#1, main_#t~mem228#1.base, main_#t~mem228#1.offset, main_#t~mem229#1.base, main_#t~mem229#1.offset, main_#t~short230#1, main_#t~mem231#1.base, main_#t~mem231#1.offset, main_#t~mem232#1.base, main_#t~mem232#1.offset, main_#t~mem233#1.base, main_#t~mem233#1.offset, main_#t~mem234#1.base, main_#t~mem234#1.offset, main_#t~mem235#1.base, main_#t~mem235#1.offset, main_#t~mem236#1.base, main_#t~mem236#1.offset, main_#t~mem237#1.base, main_#t~mem237#1.offset, main_#t~mem238#1.base, main_#t~mem238#1.offset, main_#t~mem239#1, main_#t~mem240#1.base, main_#t~mem240#1.offset, main_#t~mem241#1.base, main_#t~mem241#1.offset, main_#t~mem242#1.base, main_#t~mem242#1.offset, main_#t~mem243#1, main_#t~mem244#1.base, main_#t~mem244#1.offset, main_#t~mem245#1.base, main_#t~mem245#1.offset, main_#t~mem246#1.base, main_#t~mem246#1.offset, main_#t~mem247#1.base, main_#t~mem247#1.offset, main_#t~mem248#1.base, main_#t~mem248#1.offset, main_#t~mem249#1, main_#t~mem250#1.base, main_#t~mem250#1.offset, main_#t~mem253#1, main_#t~mem251#1.base, main_#t~mem251#1.offset, main_#t~mem252#1, main_#t~nondet254#1, main_#t~mem255#1.base, main_#t~mem255#1.offset, main_#t~mem256#1.base, main_#t~mem256#1.offset, main_#t~mem257#1, main_#t~post258#1, main_#t~mem259#1.base, main_#t~mem259#1.offset, main_#t~mem260#1.base, main_#t~mem260#1.offset, main_#t~mem261#1.base, main_#t~mem261#1.offset, main_#t~mem262#1.base, main_#t~mem262#1.offset, main_#t~mem263#1.base, main_#t~mem263#1.offset, main_#t~mem264#1.base, main_#t~mem264#1.offset, main_#t~mem265#1.base, main_#t~mem265#1.offset, main_#t~mem266#1.base, main_#t~mem266#1.offset, main_~_hd_head~0#1.base, main_~_hd_head~0#1.offset, main_#t~mem267#1.base, main_#t~mem267#1.offset, main_#t~mem268#1, main_#t~post269#1, main_~_hd_bkt~0#1, main_~_hd_hh_del~0#1.base, main_~_hd_hh_del~0#1.offset, main_#t~mem163#1, main_#t~post164#1, main_#t~mem165#1, main_#t~mem270#1.base, main_#t~mem270#1.offset, main_#t~ite272#1.base, main_#t~ite272#1.offset, main_#t~mem271#1.base, main_#t~mem271#1.offset, main_#t~mem275#1.base, main_#t~mem275#1.offset, main_#t~mem276#1.base, main_#t~mem276#1.offset, main_#t~short277#1, main_#t~mem278#1.base, main_#t~mem278#1.offset, main_#t~mem279#1.base, main_#t~mem279#1.offset, main_#t~mem280#1.base, main_#t~mem280#1.offset, main_#t~mem281#1.base, main_#t~mem281#1.offset, main_#t~mem282#1.base, main_#t~mem282#1.offset, main_#t~mem283#1.base, main_#t~mem283#1.offset, main_#t~mem284#1.base, main_#t~mem284#1.offset, main_#t~mem285#1.base, main_#t~mem285#1.offset, main_#t~mem286#1, main_#t~mem287#1.base, main_#t~mem287#1.offset, main_#t~mem288#1.base, main_#t~mem288#1.offset, main_#t~mem289#1.base, main_#t~mem289#1.offset, main_#t~mem290#1, main_#t~mem291#1.base, main_#t~mem291#1.offset, main_#t~mem292#1.base, main_#t~mem292#1.offset, main_#t~mem293#1.base, main_#t~mem293#1.offset, main_#t~mem294#1.base, main_#t~mem294#1.offset, main_#t~mem295#1.base, main_#t~mem295#1.offset, main_#t~mem296#1, main_#t~mem297#1.base, main_#t~mem297#1.offset, main_#t~mem300#1, main_#t~mem298#1.base, main_#t~mem298#1.offset, main_#t~mem299#1, main_#t~nondet301#1, main_#t~mem302#1.base, main_#t~mem302#1.offset, main_#t~mem303#1.base, main_#t~mem303#1.offset, main_#t~mem304#1, main_#t~post305#1, main_#t~mem306#1.base, main_#t~mem306#1.offset, main_#t~mem307#1.base, main_#t~mem307#1.offset, main_#t~mem308#1.base, main_#t~mem308#1.offset, main_#t~mem309#1.base, main_#t~mem309#1.offset, main_#t~mem310#1.base, main_#t~mem310#1.offset, main_#t~mem311#1.base, main_#t~mem311#1.offset, main_#t~mem312#1.base, main_#t~mem312#1.offset, main_#t~mem313#1.base, main_#t~mem313#1.offset, main_~_hd_head~1#1.base, main_~_hd_head~1#1.offset, main_#t~mem314#1.base, main_#t~mem314#1.offset, main_#t~mem315#1, main_#t~post316#1, main_~_hd_bkt~1#1, main_~_hd_hh_del~1#1.base, main_~_hd_hh_del~1#1.offset, main_#t~ite274#1.base, main_#t~ite274#1.offset, main_#t~mem273#1.base, main_#t~mem273#1.offset, main_~#i~0#1.base, main_~#i~0#1.offset, main_~user~0#1.base, main_~user~0#1.offset, main_~tmp~0#1.base, main_~tmp~0#1.offset, main_~users~0#1.base, main_~users~0#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset;call main_~#i~0#1.base, main_~#i~0#1.offset := #Ultimate.allocOnStack(4);havoc main_~user~0#1.base, main_~user~0#1.offset;havoc main_~tmp~0#1.base, main_~tmp~0#1.offset;main_~users~0#1.base, main_~users~0#1.offset := 0, 0;call write~int(0, main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6023#L715-4 [2023-11-12 02:09:42,133 INFO L750 eck$LassoCheckResult]: Loop: 6023#L715-4 call main_#t~mem5#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4); 6196#L715-1 assume !!(main_#t~mem5#1 < 1000);havoc main_#t~mem5#1;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(40);main_~user~0#1.base, main_~user~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 5947#L717 assume !(main_~user~0#1.base == 0 && main_~user~0#1.offset == 0); 5948#L717-2 call main_#t~mem7#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~user~0#1.base, main_~user~0#1.offset, 4);havoc main_#t~mem7#1;call main_#t~mem8#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);call write~int(main_#t~mem8#1 * main_#t~mem9#1, main_~user~0#1.base, 4 + main_~user~0#1.offset, 4);havoc main_#t~mem8#1;havoc main_#t~mem9#1; 6096#L722-269 havoc main_~_ha_hashv~0#1; 6186#L722-176 goto; 6136#L722-174 havoc main_~_hj_i~0#1;havoc main_~_hj_j~0#1;havoc main_~_hj_k~0#1;main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset := main_~user~0#1.base, main_~user~0#1.offset;main_~_ha_hashv~0#1 := 4276993775;main_~_hj_j~0#1 := 2654435769;main_~_hj_i~0#1 := main_~_hj_j~0#1;main_~_hj_k~0#1 := 4; 5983#L722-71 assume !(main_~_hj_k~0#1 % 4294967296 >= 12); 5984#L722-72 main_~_ha_hashv~0#1 := 4 + main_~_ha_hashv~0#1;main_#t~switch31#1 := 11 == main_~_hj_k~0#1; 5901#L722-73 assume !main_#t~switch31#1; 5902#L722-75 main_#t~switch31#1 := main_#t~switch31#1 || 10 == main_~_hj_k~0#1; 6024#L722-76 assume !main_#t~switch31#1; 6025#L722-78 main_#t~switch31#1 := main_#t~switch31#1 || 9 == main_~_hj_k~0#1; 6064#L722-79 assume !main_#t~switch31#1; 6065#L722-81 main_#t~switch31#1 := main_#t~switch31#1 || 8 == main_~_hj_k~0#1; 6139#L722-82 assume !main_#t~switch31#1; 5949#L722-84 main_#t~switch31#1 := main_#t~switch31#1 || 7 == main_~_hj_k~0#1; 5950#L722-85 assume !main_#t~switch31#1; 5986#L722-87 main_#t~switch31#1 := main_#t~switch31#1 || 6 == main_~_hj_k~0#1; 5978#L722-88 assume !main_#t~switch31#1; 5979#L722-90 main_#t~switch31#1 := main_#t~switch31#1 || 5 == main_~_hj_k~0#1; 6175#L722-91 assume !main_#t~switch31#1; 5891#L722-93 main_#t~switch31#1 := main_#t~switch31#1 || 4 == main_~_hj_k~0#1; 5892#L722-94 assume main_#t~switch31#1;call main_#t~mem39#1 := read~int(main_~_hj_key~0#1.base, 3 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 16777216 * (main_#t~mem39#1 % 256 % 4294967296);havoc main_#t~mem39#1; 5893#L722-96 main_#t~switch31#1 := main_#t~switch31#1 || 3 == main_~_hj_k~0#1; 5894#L722-97 assume main_#t~switch31#1;call main_#t~mem40#1 := read~int(main_~_hj_key~0#1.base, 2 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 65536 * (main_#t~mem40#1 % 256 % 4294967296);havoc main_#t~mem40#1; 6114#L722-99 main_#t~switch31#1 := main_#t~switch31#1 || 2 == main_~_hj_k~0#1; 5929#L722-100 assume main_#t~switch31#1;call main_#t~mem41#1 := read~int(main_~_hj_key~0#1.base, 1 + main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + 256 * (main_#t~mem41#1 % 256 % 4294967296);havoc main_#t~mem41#1; 5930#L722-102 main_#t~switch31#1 := main_#t~switch31#1 || 1 == main_~_hj_k~0#1; 6054#L722-103 assume main_#t~switch31#1;call main_#t~mem42#1 := read~int(main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset, 1);main_~_hj_i~0#1 := main_~_hj_i~0#1 + (if main_#t~mem42#1 % 256 % 4294967296 <= 2147483647 then main_#t~mem42#1 % 256 % 4294967296 else main_#t~mem42#1 % 256 % 4294967296 - 4294967296);havoc main_#t~mem42#1; 6185#L722-105 havoc main_#t~switch31#1; 6173#L722-171 main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 6167#L722-107 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet43#1 := main_~_ha_hashv~0#1 % 4294967296 / 8192; 6168#L722-113 main_~_hj_i~0#1 := main_#t~nondet43#1;havoc main_#t~nondet43#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 6205#L722-114 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet44#1 := 256 * (main_~_hj_i~0#1 % 4294967296); 6075#L722-120 main_~_hj_j~0#1 := main_#t~nondet44#1;havoc main_#t~nondet44#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 6076#L722-121 assume !(0 == main_~_ha_hashv~0#1 % 4294967296); 6199#L722-123 assume 0 == main_~_hj_j~0#1 % 4294967296 / 8192 % 4294967296;main_#t~nondet45#1 := main_~_ha_hashv~0#1; 5876#L722-127 main_~_ha_hashv~0#1 := main_#t~nondet45#1;havoc main_#t~nondet45#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 6097#L722-128 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet46#1 := main_~_ha_hashv~0#1 % 4294967296 / 4096; 5900#L722-134 main_~_hj_i~0#1 := main_#t~nondet46#1;havoc main_#t~nondet46#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 5869#L722-135 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet47#1 := 65536 * (main_~_hj_i~0#1 % 4294967296); 5870#L722-141 main_~_hj_j~0#1 := main_#t~nondet47#1;havoc main_#t~nondet47#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 5969#L722-142 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet48#1 := main_~_hj_j~0#1 % 4294967296 / 32; 5991#L722-148 main_~_ha_hashv~0#1 := main_#t~nondet48#1;havoc main_#t~nondet48#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_hj_j~0#1;main_~_hj_i~0#1 := main_~_hj_i~0#1 - main_~_ha_hashv~0#1; 6117#L722-149 assume 0 == main_~_hj_i~0#1 % 4294967296;main_#t~nondet49#1 := main_~_ha_hashv~0#1 % 4294967296 / 8; 5933#L722-155 main_~_hj_i~0#1 := main_#t~nondet49#1;havoc main_#t~nondet49#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_ha_hashv~0#1;main_~_hj_j~0#1 := main_~_hj_j~0#1 - main_~_hj_i~0#1; 6036#L722-156 assume 0 == main_~_hj_j~0#1 % 4294967296;main_#t~nondet50#1 := 1024 * (main_~_hj_i~0#1 % 4294967296); 6037#L722-162 main_~_hj_j~0#1 := main_#t~nondet50#1;havoc main_#t~nondet50#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_i~0#1;main_~_ha_hashv~0#1 := main_~_ha_hashv~0#1 - main_~_hj_j~0#1; 6109#L722-163 assume 0 == main_~_ha_hashv~0#1 % 4294967296;main_#t~nondet51#1 := main_~_hj_j~0#1 % 4294967296 / 32768; 5863#L722-169 main_~_ha_hashv~0#1 := main_#t~nondet51#1;havoc main_#t~nondet51#1; 5864#L722-170 goto; 6123#L722-172 havoc main_~_hj_i~0#1, main_~_hj_j~0#1, main_~_hj_k~0#1, main_~_hj_key~0#1.base, main_~_hj_key~0#1.offset; 6089#L722-173 goto; 6090#L722-175 goto; 6157#L722-266 call write~int(main_~_ha_hashv~0#1, main_~user~0#1.base, 36 + main_~user~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_~user~0#1.base, 28 + main_~user~0#1.offset, 4);call write~int(4, main_~user~0#1.base, 32 + main_~user~0#1.offset, 4); 6178#L722-178 assume !(main_~users~0#1.base == 0 && main_~users~0#1.offset == 0);call main_#t~mem69#1.base, main_#t~mem69#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_#t~mem69#1.base, main_#t~mem69#1.offset, main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);havoc main_#t~mem69#1.base, main_#t~mem69#1.offset; 6180#L722-194 call write~$Pointer$(0, 0, main_~user~0#1.base, 16 + main_~user~0#1.offset, 4);call main_#t~mem70#1.base, main_#t~mem70#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem71#1.base, main_#t~mem71#1.offset := read~$Pointer$(main_#t~mem70#1.base, 16 + main_#t~mem70#1.offset, 4);call main_#t~mem72#1.base, main_#t~mem72#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem73#1 := read~int(main_#t~mem72#1.base, 20 + main_#t~mem72#1.offset, 4);call write~$Pointer$(main_#t~mem71#1.base, main_#t~mem71#1.offset - main_#t~mem73#1, main_~user~0#1.base, 12 + main_~user~0#1.offset, 4);havoc main_#t~mem70#1.base, main_#t~mem70#1.offset;havoc main_#t~mem71#1.base, main_#t~mem71#1.offset;havoc main_#t~mem72#1.base, main_#t~mem72#1.offset;havoc main_#t~mem73#1;call main_#t~mem74#1.base, main_#t~mem74#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem75#1.base, main_#t~mem75#1.offset := read~$Pointer$(main_#t~mem74#1.base, 16 + main_#t~mem74#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, main_~user~0#1.offset, main_#t~mem75#1.base, 8 + main_#t~mem75#1.offset, 4);havoc main_#t~mem74#1.base, main_#t~mem74#1.offset;havoc main_#t~mem75#1.base, main_#t~mem75#1.offset;call main_#t~mem76#1.base, main_#t~mem76#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem76#1.base, 16 + main_#t~mem76#1.offset, 4);havoc main_#t~mem76#1.base, main_#t~mem76#1.offset; 5956#L722-193 goto; 5957#L722-264 havoc main_~_ha_bkt~0#1;call main_#t~mem77#1.base, main_#t~mem77#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem78#1 := read~int(main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);main_#t~post79#1 := main_#t~mem78#1;call write~int(1 + main_#t~post79#1, main_#t~mem77#1.base, 12 + main_#t~mem77#1.offset, 4);havoc main_#t~mem77#1.base, main_#t~mem77#1.offset;havoc main_#t~mem78#1;havoc main_#t~post79#1; 5993#L722-203 call main_#t~mem80#1.base, main_#t~mem80#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem81#1 := read~int(main_#t~mem80#1.base, 4 + main_#t~mem80#1.offset, 4); 5994#L722-197 assume 0 == main_~_ha_hashv~0#1 % 4294967296 || 0 == (main_#t~mem81#1 - 1) % 4294967296;main_#t~nondet82#1 := 0; 6071#L722-201 main_~_ha_bkt~0#1 := main_#t~nondet82#1;havoc main_#t~mem80#1.base, main_#t~mem80#1.offset;havoc main_#t~mem81#1;havoc main_#t~nondet82#1; 6083#L722-202 goto; 5972#L722-261 call main_#t~mem83#1.base, main_#t~mem83#1.offset := read~$Pointer$(main_~users~0#1.base, 8 + main_~users~0#1.offset, 4);call main_#t~mem84#1.base, main_#t~mem84#1.offset := read~$Pointer$(main_#t~mem83#1.base, main_#t~mem83#1.offset, 4);main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset := main_#t~mem84#1.base, main_#t~mem84#1.offset + 12 * (if main_~_ha_bkt~0#1 % 4294967296 % 4294967296 <= 2147483647 then main_~_ha_bkt~0#1 % 4294967296 % 4294967296 else main_~_ha_bkt~0#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~mem83#1.base, main_#t~mem83#1.offset;havoc main_#t~mem84#1.base, main_#t~mem84#1.offset;call main_#t~mem85#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);main_#t~post86#1 := main_#t~mem85#1;call write~int(1 + main_#t~post86#1, main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);havoc main_#t~mem85#1;havoc main_#t~post86#1;call main_#t~mem87#1.base, main_#t~mem87#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_#t~mem87#1.base, main_#t~mem87#1.offset, main_~user~0#1.base, 24 + main_~user~0#1.offset, 4);havoc main_#t~mem87#1.base, main_#t~mem87#1.offset;call write~$Pointer$(0, 0, main_~user~0#1.base, 20 + main_~user~0#1.offset, 4);call main_#t~mem88#1.base, main_#t~mem88#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4); 5973#L722-205 assume main_#t~mem88#1.base != 0 || main_#t~mem88#1.offset != 0;havoc main_#t~mem88#1.base, main_#t~mem88#1.offset;call main_#t~mem89#1.base, main_#t~mem89#1.offset := read~$Pointer$(main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_#t~mem89#1.base, 12 + main_#t~mem89#1.offset, 4);havoc main_#t~mem89#1.base, main_#t~mem89#1.offset; 6120#L722-207 call write~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset, 4);call main_#t~mem91#1 := read~int(main_~_ha_head~0#1.base, 4 + main_~_ha_head~0#1.offset, 4);call main_#t~mem90#1 := read~int(main_~_ha_head~0#1.base, 8 + main_~_ha_head~0#1.offset, 4);main_#t~short94#1 := main_#t~mem91#1 % 4294967296 >= 10 * (1 + main_#t~mem90#1) % 4294967296; 5985#L722-208 assume main_#t~short94#1;call main_#t~mem92#1.base, main_#t~mem92#1.offset := read~$Pointer$(main_~user~0#1.base, 8 + main_~user~0#1.offset, 4);call main_#t~mem93#1 := read~int(main_#t~mem92#1.base, 36 + main_#t~mem92#1.offset, 4);main_#t~short94#1 := 0 == main_#t~mem93#1 % 4294967296; 5882#L722-210 assume !main_#t~short94#1;havoc main_#t~mem91#1;havoc main_#t~mem90#1;havoc main_#t~mem92#1.base, main_#t~mem92#1.offset;havoc main_#t~mem93#1;havoc main_#t~short94#1; 5883#L722-259 havoc main_~_ha_head~0#1.base, main_~_ha_head~0#1.offset; 6044#L722-260 goto; 6127#L722-262 havoc main_~_ha_bkt~0#1; 6094#L722-263 goto; 6095#L722-265 goto; 6014#L722-267 havoc main_~_ha_hashv~0#1; 5885#L722-268 goto; 5886#L715-3 call main_#t~mem3#1 := read~int(main_~#i~0#1.base, main_~#i~0#1.offset, 4);main_#t~post4#1 := main_#t~mem3#1;call write~int(1 + main_#t~post4#1, main_~#i~0#1.base, main_~#i~0#1.offset, 4);havoc main_#t~mem3#1;havoc main_#t~post4#1; 6023#L715-4 [2023-11-12 02:09:42,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:42,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1251, now seen corresponding path program 7 times [2023-11-12 02:09:42,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:42,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641874426] [2023-11-12 02:09:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:42,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:42,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:09:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:09:42,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:09:42,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:09:42,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1670632649, now seen corresponding path program 1 times [2023-11-12 02:09:42,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:09:42,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127635762] [2023-11-12 02:09:42,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:42,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:09:42,243 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:09:42,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436418277] [2023-11-12 02:09:42,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:09:42,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:09:42,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:09:42,253 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:09:42,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a82988e-bc7e-4e4f-ae17-ccfc0d6c4354/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 02:09:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:09:42,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-12 02:09:42,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:09:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:09:43,169 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:09:43,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:09:43,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127635762] [2023-11-12 02:09:43,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:09:43,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436418277] [2023-11-12 02:09:43,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436418277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:09:43,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:09:43,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:09:43,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862150117] [2023-11-12 02:09:43,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:09:43,172 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-12 02:09:43,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:09:43,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:09:43,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:09:43,173 INFO L87 Difference]: Start difference. First operand 348 states and 496 transitions. cyclomatic complexity: 152 Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:09:47,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:09:59,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:10:11,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:10:23,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:10:35,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []