./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:47,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:47,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:47,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:47,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:47,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:47,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:47,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:47,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:47,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:47,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:47,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:47,392 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:47,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:47,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:47,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:47,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:47,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:47,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:47,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:47,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:47,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:47,399 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:47,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:47,400 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:47,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:47,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:47,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:47,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:47,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:47,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:47,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:47,404 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:47,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:47,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:47,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 [2023-11-21 18:49:47,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:47,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:47,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:47,747 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:47,747 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:47,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2023-11-21 18:49:50,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:51,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:51,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2023-11-21 18:49:51,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/data/71543ff9d/0a59eb13a2c840d590f638d229fe88f3/FLAGf97748e26 [2023-11-21 18:49:51,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/data/71543ff9d/0a59eb13a2c840d590f638d229fe88f3 [2023-11-21 18:49:51,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:51,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:51,395 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:51,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:51,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:51,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:51" (1/1) ... [2023-11-21 18:49:51,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4da18665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:51, skipping insertion in model container [2023-11-21 18:49:51,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:51" (1/1) ... [2023-11-21 18:49:51,479 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:52,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:52,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:52,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:52,303 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:52,311 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:52,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52 WrapperNode [2023-11-21 18:49:52,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:52,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:52,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:52,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:52,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,471 INFO L138 Inliner]: procedures = 176, calls = 280, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1335 [2023-11-21 18:49:52,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:52,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:52,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:52,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:52,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:52,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:52,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:52,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:52,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:52" (1/1) ... [2023-11-21 18:49:52,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:52,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:52,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:52,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb41cd6-d1aa-4580-b03d-514b2906726c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:52,792 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:49:52,792 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:49:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:49:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:49:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:49:52,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:49:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:49:52,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:49:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:52,796 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:49:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:49:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:52,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:52,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:53,066 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:53,068 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:54,749 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:56,670 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:56,671 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 18:49:56,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:56 BoogieIcfgContainer [2023-11-21 18:49:56,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:56,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:56,674 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:56,685 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:56,685 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:56" (1/1) ... [2023-11-21 18:49:56,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 211 transitions. [2023-11-21 18:49:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2023-11-21 18:49:56,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:56,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:56,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:57,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:49:57,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:57,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:49:57,171 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:49:57,174 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:49:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:49:57,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-21 18:49:57,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 132 states and 216 transitions. [2023-11-21 18:49:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 216 transitions. [2023-11-21 18:49:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:49:57,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:57,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:57,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:49:57,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:57,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:49:57,425 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:49:57,426 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:49:57,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:49:57,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-21 18:49:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:57,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 133 states and 217 transitions. [2023-11-21 18:49:57,467 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 217 transitions. [2023-11-21 18:49:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:49:57,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:57,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:57,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:57,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 133 states and 215 transitions. [2023-11-21 18:49:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 215 transitions. [2023-11-21 18:49:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:49:57,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:57,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:57,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:57,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:57,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 133 states and 211 transitions. [2023-11-21 18:49:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2023-11-21 18:49:57,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:49:57,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:57,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:58,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 133 states and 205 transitions. [2023-11-21 18:49:58,125 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2023-11-21 18:49:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:49:58,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:58,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 133 states and 199 transitions. [2023-11-21 18:49:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 199 transitions. [2023-11-21 18:49:58,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:49:58,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:08,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:50:08,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:08,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 133 states and 193 transitions. [2023-11-21 18:50:08,587 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 193 transitions. [2023-11-21 18:50:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:50:08,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:08,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:08,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:08,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:11,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:50:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2023-11-21 18:50:11,390 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2023-11-21 18:50:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:50:11,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:50:11,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 148 states and 209 transitions. [2023-11-21 18:50:11,600 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 209 transitions. [2023-11-21 18:50:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:50:11,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:50:11,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 148 states and 207 transitions. [2023-11-21 18:50:11,813 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 207 transitions. [2023-11-21 18:50:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:11,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:50:12,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:22,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:50:22,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 148 states and 205 transitions. [2023-11-21 18:50:22,126 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 205 transitions. [2023-11-21 18:50:22,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:50:22,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:22,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:50:32,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:50:42,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:50:52,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []