./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/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_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/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_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/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 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:39,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:39,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:39,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:39,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:39,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:39,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:39,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:39,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:39,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:39,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:39,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:39,241 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:39,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:39,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:39,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:39,244 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:39,244 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:39,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:39,245 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:39,246 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:39,246 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:39,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:39,247 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:39,248 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:39,248 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:39,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:39,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:39,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:39,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:39,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:39,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:39,251 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:39,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:39,252 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:39,253 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_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 [2023-11-21 18:46:39,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:39,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:39,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:39,580 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:39,581 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:39,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2023-11-21 18:46:42,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:43,090 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:43,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2023-11-21 18:46:43,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/data/c2f71b356/0bc09928b0a243619739beef046f7919/FLAGcc45f2e87 [2023-11-21 18:46:43,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/data/c2f71b356/0bc09928b0a243619739beef046f7919 [2023-11-21 18:46:43,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:43,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:43,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:43,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:43,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:43,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:43" (1/1) ... [2023-11-21 18:46:43,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9bc6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:43, skipping insertion in model container [2023-11-21 18:46:43,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:43" (1/1) ... [2023-11-21 18:46:43,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:43,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:44,016 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:44,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:44,288 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:46:44,295 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:44,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44 WrapperNode [2023-11-21 18:46:44,296 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:44,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:44,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:44,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:44,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,467 INFO L138 Inliner]: procedures = 177, calls = 489, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2218 [2023-11-21 18:46:44,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:44,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:44,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:44,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:44,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:44,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:44,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:44,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:44,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:44" (1/1) ... [2023-11-21 18:46:44,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:44,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:44,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:44,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:44,816 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:46:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:46:44,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:46:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:44,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:44,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:46:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:46:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:46:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:46:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:44,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:46:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:46:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:46:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:46:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:46:44,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:44,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:44,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:45,132 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:45,138 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:47,680 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:50,388 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:50,389 INFO L308 CfgBuilder]: Removed 100 assume(true) statements. [2023-11-21 18:46:50,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:50 BoogieIcfgContainer [2023-11-21 18:46:50,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:50,393 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:50,393 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:50,403 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:50,404 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:50" (1/1) ... [2023-11-21 18:46:50,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:50,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 209 states and 347 transitions. [2023-11-21 18:46:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 347 transitions. [2023-11-21 18:46:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:46:50,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:50,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:50,729 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 18:46:50,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 208 states and 346 transitions. [2023-11-21 18:46:50,752 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 346 transitions. [2023-11-21 18:46:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:50,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:50,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:50,840 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 18:46:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 208 states and 347 transitions. [2023-11-21 18:46:50,882 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 347 transitions. [2023-11-21 18:46:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:50,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:50,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:51,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:51,028 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 18:46:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 210 states and 349 transitions. [2023-11-21 18:46:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 349 transitions. [2023-11-21 18:46:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:51,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:51,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:51,186 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 18:46:51,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 210 states and 345 transitions. [2023-11-21 18:46:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 345 transitions. [2023-11-21 18:46:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:51,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:51,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:51,390 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 18:46:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 210 states and 337 transitions. [2023-11-21 18:46:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2023-11-21 18:46:51,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:46:51,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:51,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:51,622 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 18:46:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 210 states and 325 transitions. [2023-11-21 18:46:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 325 transitions. [2023-11-21 18:46:51,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:46:51,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:51,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:51,950 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 18:47:01,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:47:12,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:47:12,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-11-21 18:47:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-11-21 18:47:12,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:47:12,103 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-21 18:47:12,113 INFO L751 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2023-11-21 18:47:12,135 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:47:12,140 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:47:12,141 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:47:12,141 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:47:12,141 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:47:12,141 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:47:12,142 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-21 18:47:12,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:47:12 ImpRootNode [2023-11-21 18:47:12,145 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:47:12,146 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:47:12,146 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:47:12,146 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:47:12,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:50" (3/4) ... [2023-11-21 18:47:12,149 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:47:12,153 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2023-11-21 18:47:12,154 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 18:47:12,154 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:47:12,191 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 355 nodes and edges [2023-11-21 18:47:12,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-21 18:47:12,197 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 18:47:12,200 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:47:12,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:47:12,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:47:12,485 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:47:12,485 INFO L158 Benchmark]: Toolchain (without parser) took 29344.55ms. Allocated memory was 186.6MB in the beginning and 325.1MB in the end (delta: 138.4MB). Free memory was 142.6MB in the beginning and 140.7MB in the end (delta: 1.9MB). Peak memory consumption was 142.8MB. Max. memory is 16.1GB. [2023-11-21 18:47:12,486 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:12,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1154.10ms. Allocated memory is still 186.6MB. Free memory was 142.6MB in the beginning and 100.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 18:47:12,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.91ms. Allocated memory is still 186.6MB. Free memory was 100.7MB in the beginning and 88.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:47:12,487 INFO L158 Benchmark]: Boogie Preprocessor took 259.63ms. Allocated memory is still 186.6MB. Free memory was 88.1MB in the beginning and 138.7MB in the end (delta: -50.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-21 18:47:12,488 INFO L158 Benchmark]: RCFGBuilder took 5662.45ms. Allocated memory was 186.6MB in the beginning and 325.1MB in the end (delta: 138.4MB). Free memory was 137.7MB in the beginning and 139.5MB in the end (delta: -1.9MB). Peak memory consumption was 153.3MB. Max. memory is 16.1GB. [2023-11-21 18:47:12,488 INFO L158 Benchmark]: CodeCheck took 21752.53ms. Allocated memory is still 325.1MB. Free memory was 139.5MB in the beginning and 158.5MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:12,488 INFO L158 Benchmark]: Witness Printer took 338.94ms. Allocated memory is still 325.1MB. Free memory was 158.5MB in the beginning and 140.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:47:12,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 209 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 21.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 436 SdHoareTripleChecker+Valid, 20.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 20.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 140 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 755 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 813 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 742]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 742]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 736]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 736]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 747]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 747]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 708]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 746]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (i == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1154.10ms. Allocated memory is still 186.6MB. Free memory was 142.6MB in the beginning and 100.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.91ms. Allocated memory is still 186.6MB. Free memory was 100.7MB in the beginning and 88.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 259.63ms. Allocated memory is still 186.6MB. Free memory was 88.1MB in the beginning and 138.7MB in the end (delta: -50.6MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5662.45ms. Allocated memory was 186.6MB in the beginning and 325.1MB in the end (delta: 138.4MB). Free memory was 137.7MB in the beginning and 139.5MB in the end (delta: -1.9MB). Peak memory consumption was 153.3MB. Max. memory is 16.1GB. * CodeCheck took 21752.53ms. Allocated memory is still 325.1MB. Free memory was 139.5MB in the beginning and 158.5MB in the end (delta: -19.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 338.94ms. Allocated memory is still 325.1MB. Free memory was 158.5MB in the beginning and 140.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:47:12,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14b91a2b-7dfc-4427-8e46-0a96cf9ecdb8/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE