./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/fermat1.c --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_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/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_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/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_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/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 a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:09,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:09,792 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:27:09,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:27:09,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:27:09,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:09,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:09,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:09,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:09,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:09,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:09,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:09,827 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:27:09,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:27:09,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:27:09,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:09,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:09,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:09,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:09,831 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:09,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:09,832 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:27:09,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:09,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:09,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:09,834 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:09,835 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:09,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:09,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:09,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:09,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:09,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:09,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:27:09,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:27:09,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:09,839 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_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac [2023-11-21 18:27:10,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:10,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:10,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:10,215 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:10,216 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:10,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/fermat1.c [2023-11-21 18:27:13,452 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:13,706 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:13,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/sv-benchmarks/c/nla-digbench/fermat1.c [2023-11-21 18:27:13,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/data/145724762/657c0323f73b4ce09cea8d69cf852c0a/FLAG9da2f8804 [2023-11-21 18:27:13,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/data/145724762/657c0323f73b4ce09cea8d69cf852c0a [2023-11-21 18:27:13,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:13,740 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:13,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:13,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:13,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:13,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336b15c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:13, skipping insertion in model container [2023-11-21 18:27:13,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,793 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:14,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:14,048 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:14,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:14,094 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:14,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14 WrapperNode [2023-11-21 18:27:14,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:14,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:14,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:14,098 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:14,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,154 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 151 [2023-11-21 18:27:14,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:14,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:14,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:14,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:14,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:14,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:14,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:14,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:14,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:14" (1/1) ... [2023-11-21 18:27:14,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:14,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:14,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:14,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:27:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:27:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:27:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:27:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:27:14,402 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:14,406 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:15,280 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:15,328 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:15,329 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:27:15,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:15 BoogieIcfgContainer [2023-11-21 18:27:15,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:15,332 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:15,332 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:15,344 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:15,345 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:15" (1/1) ... [2023-11-21 18:27:15,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 203 states and 212 transitions. [2023-11-21 18:27:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 212 transitions. [2023-11-21 18:27:15,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:27:15,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:15,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:15,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:15,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:15,589 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:27:15,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:27:15 ImpRootNode [2023-11-21 18:27:15,618 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:27:15,622 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:27:15,623 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:27:15,624 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:27:15,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:15" (3/4) ... [2023-11-21 18:27:15,631 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:27:15,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:27:15,635 INFO L158 Benchmark]: Toolchain (without parser) took 1894.37ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 95.9MB in the end (delta: 13.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-21 18:27:15,636 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:15,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.75ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 98.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:27:15,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.53ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:15,639 INFO L158 Benchmark]: Boogie Preprocessor took 35.82ms. Allocated memory is still 153.1MB. Free memory was 96.4MB in the beginning and 95.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:15,640 INFO L158 Benchmark]: RCFGBuilder took 1139.52ms. Allocated memory is still 153.1MB. Free memory was 95.0MB in the beginning and 107.1MB in the end (delta: -12.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-21 18:27:15,641 INFO L158 Benchmark]: CodeCheck took 285.47ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 95.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:27:15,642 INFO L158 Benchmark]: Witness Printer took 10.79ms. Allocated memory is still 153.1MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:15,655 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 3 procedures, 203 locations, 92 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 22. Possible FailurePath: [L20] int A, R; [L21] int u, v, r; [L22] A = __VERIFIER_nondet_double() [L23] R = __VERIFIER_nondet_double() [L24] R - 1 VAL [R=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.75ms. Allocated memory is still 153.1MB. Free memory was 109.4MB in the beginning and 98.5MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.53ms. Allocated memory is still 153.1MB. Free memory was 98.5MB in the beginning and 96.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.82ms. Allocated memory is still 153.1MB. Free memory was 96.4MB in the beginning and 95.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1139.52ms. Allocated memory is still 153.1MB. Free memory was 95.0MB in the beginning and 107.1MB in the end (delta: -12.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * CodeCheck took 285.47ms. Allocated memory is still 153.1MB. Free memory was 107.1MB in the beginning and 95.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.79ms. Allocated memory is still 153.1MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:27:15,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/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_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/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 a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:18,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:18,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:27:18,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:18,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:18,786 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:18,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:18,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:18,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:18,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:18,795 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:27:18,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:27:18,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:18,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:18,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:18,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:18,799 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:27:18,800 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:27:18,800 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:18,801 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:27:18,802 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:18,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:27:18,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:18,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:18,804 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:18,804 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:18,805 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:18,805 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:18,806 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:27:18,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:18,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:18,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:18,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:18,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:18,809 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:27:18,809 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:18,810 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:18,810 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:27:18,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:27:18,811 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4824519cd4f3e1d2fd45657c7eeb4872d493a5d83687e7b74f43cb5b7e407ac [2023-11-21 18:27:19,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:19,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:19,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:19,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:19,298 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:19,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/fermat1.c [2023-11-21 18:27:22,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:22,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:22,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/sv-benchmarks/c/nla-digbench/fermat1.c [2023-11-21 18:27:22,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/data/0e48374de/b6480024a71d4917ab42492abf06c191/FLAG5d18baf34 [2023-11-21 18:27:23,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/data/0e48374de/b6480024a71d4917ab42492abf06c191 [2023-11-21 18:27:23,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:23,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:23,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:23,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:23,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:23,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1ab219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23, skipping insertion in model container [2023-11-21 18:27:23,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:23,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:23,324 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:23,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:23,369 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:23,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23 WrapperNode [2023-11-21 18:27:23,370 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:23,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:23,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:23,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:23,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,441 INFO L138 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 152 [2023-11-21 18:27:23,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:23,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:23,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:23,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:23,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:23,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:23,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:23,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:23,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:23" (1/1) ... [2023-11-21 18:27:23,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:23,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:23,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:23,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:27:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:27:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:27:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:27:23,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:27:23,700 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:23,703 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:54,567 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:54,618 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:54,618 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:27:54,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:54 BoogieIcfgContainer [2023-11-21 18:27:54,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:54,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:54,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:54,632 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:54,633 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:54" (1/1) ... [2023-11-21 18:27:54,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 203 states and 212 transitions. [2023-11-21 18:27:54,720 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 212 transitions. [2023-11-21 18:27:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:27:54,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:54,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:54,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:27:54,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:27:54,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ebbba18-f4fe-4e82-894a-ebfa7e0910f7/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:27:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:54,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat