./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:33:37,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:33:37,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:33:37,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:33:37,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:33:37,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:33:37,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:33:37,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:33:37,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:33:37,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:33:37,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:33:37,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:33:37,521 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:33:37,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:33:37,522 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:33:37,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:33:37,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:33:37,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:33:37,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:33:37,525 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:33:37,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:33:37,526 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:33:37,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:33:37,527 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:33:37,527 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:33:37,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:33:37,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:37,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:33:37,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:33:37,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:33:37,530 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:33:37,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:33:37,531 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:33:37,531 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_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 [2023-12-03 01:33:37,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:33:37,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:33:37,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:33:37,778 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:33:37,778 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:33:37,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2023-12-03 01:33:40,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:33:40,770 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:33:40,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2023-12-03 01:33:40,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/data/4e46d9a09/4f7ad618e6884051a02d1043fdd25f65/FLAGcc6c183ad [2023-12-03 01:33:40,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/data/4e46d9a09/4f7ad618e6884051a02d1043fdd25f65 [2023-12-03 01:33:40,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:33:40,805 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:33:40,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:40,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:33:40,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:33:40,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:40" (1/1) ... [2023-12-03 01:33:40,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc05b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:40, skipping insertion in model container [2023-12-03 01:33:40,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:40" (1/1) ... [2023-12-03 01:33:40,859 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:33:41,354 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2023-12-03 01:33:41,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:41,365 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:33:41,400 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2023-12-03 01:33:41,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:41,561 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:33:41,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41 WrapperNode [2023-12-03 01:33:41,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:41,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:41,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:33:41,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:33:41,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,613 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2023-12-03 01:33:41,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:41,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:33:41,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:33:41,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:33:41,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,634 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:33:41,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:33:41,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:33:41,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:33:41,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:41,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:33:41,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:33:41,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:33:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:33:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:33:41,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:33:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:33:41,796 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:33:41,798 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:33:41,867 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:33:41,927 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:33:41,928 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:33:41,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:41 BoogieIcfgContainer [2023-12-03 01:33:41,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:33:41,930 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:33:41,930 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:33:41,940 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:33:41,940 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:41" (1/1) ... [2023-12-03 01:33:41,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:33:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 01:33:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 01:33:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:33:41,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:41,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:42,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:33:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:42,125 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:33:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:42,144 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:33:42,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:33:42 ImpRootNode [2023-12-03 01:33:42,159 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:33:42,160 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:33:42,160 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:33:42,160 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:33:42,161 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:41" (3/4) ... [2023-12-03 01:33:42,163 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:33:42,164 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:33:42,165 INFO L158 Benchmark]: Toolchain (without parser) took 1359.97ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 114.3MB in the beginning and 141.3MB in the end (delta: -27.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-12-03 01:33:42,166 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory was 122.7MB in the beginning and 122.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:33:42,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.78ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 113.9MB in the beginning and 169.6MB in the end (delta: -55.8MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2023-12-03 01:33:42,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.09ms. Allocated memory is still 203.4MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:33:42,168 INFO L158 Benchmark]: Boogie Preprocessor took 23.19ms. Allocated memory is still 203.4MB. Free memory was 166.5MB in the beginning and 165.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:33:42,169 INFO L158 Benchmark]: RCFGBuilder took 291.17ms. Allocated memory is still 203.4MB. Free memory was 165.4MB in the beginning and 152.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:33:42,170 INFO L158 Benchmark]: CodeCheck took 229.22ms. Allocated memory is still 203.4MB. Free memory was 152.9MB in the beginning and 141.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:33:42,170 INFO L158 Benchmark]: Witness Printer took 4.35ms. Allocated memory is still 203.4MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:33:42,173 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 1 procedures, 6 locations, 1 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, 3 NumberOfCodeBlocks, 3 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: 851]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 851, overapproximation of cosf at line 849. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L849] float y = cosf(x); [L850] float z = cosf(-x); [L851] COND TRUE !(y == z) [L851] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory was 122.7MB in the beginning and 122.6MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.78ms. Allocated memory was 151.0MB in the beginning and 203.4MB in the end (delta: 52.4MB). Free memory was 113.9MB in the beginning and 169.6MB in the end (delta: -55.8MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.09ms. Allocated memory is still 203.4MB. Free memory was 169.6MB in the beginning and 166.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.19ms. Allocated memory is still 203.4MB. Free memory was 166.5MB in the beginning and 165.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 291.17ms. Allocated memory is still 203.4MB. Free memory was 165.4MB in the beginning and 152.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 229.22ms. Allocated memory is still 203.4MB. Free memory was 152.9MB in the beginning and 141.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.35ms. Allocated memory is still 203.4MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 01:33:42,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/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 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_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:33:44,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:33:44,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:33:44,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:33:44,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:33:44,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:33:44,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:33:44,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:33:44,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:33:44,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:33:44,145 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:33:44,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:33:44,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:33:44,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:33:44,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:33:44,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:33:44,148 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:33:44,149 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:33:44,150 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:33:44,150 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:33:44,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:33:44,151 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:33:44,152 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:33:44,152 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:33:44,152 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:33:44,153 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:44,153 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:33:44,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:33:44,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:44,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:33:44,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:33:44,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:33:44,156 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:33:44,157 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:44,157 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:33:44,158 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:33:44,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:33:44,158 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_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec5db52ebea2299d813e1bd9017d8d408a611621e49aca32f950934bd34aac5 [2023-12-03 01:33:44,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:33:44,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:33:44,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:33:44,466 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:33:44,467 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:33:44,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2023-12-03 01:33:47,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:33:47,528 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:33:47,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i [2023-12-03 01:33:47,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/data/13c642f20/5e2030b4d31848229230bbf082ebfa12/FLAG7f4c9943e [2023-12-03 01:33:47,564 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/data/13c642f20/5e2030b4d31848229230bbf082ebfa12 [2023-12-03 01:33:47,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:33:47,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:33:47,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:47,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:33:47,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:33:47,576 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:47" (1/1) ... [2023-12-03 01:33:47,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f18997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:47, skipping insertion in model container [2023-12-03 01:33:47,577 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:47" (1/1) ... [2023-12-03 01:33:47,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:33:48,338 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2023-12-03 01:33:48,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:48,355 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:33:48,402 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/sv-benchmarks/c/neural-networks/cos_7_safe.c-amalgamation.i[63034,63047] [2023-12-03 01:33:48,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:33:48,578 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:33:48,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48 WrapperNode [2023-12-03 01:33:48,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:33:48,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:48,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:33:48,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:33:48,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,638 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2023-12-03 01:33:48,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:33:48,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:33:48,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:33:48,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:33:48,648 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:33:48,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:33:48,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:33:48,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:33:48,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:48,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:33:48,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:33:48,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:33:48,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:33:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:33:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:33:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:33:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:33:48,829 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:33:48,832 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:33:48,909 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:33:48,970 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:33:48,970 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:33:48,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:48 BoogieIcfgContainer [2023-12-03 01:33:48,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:33:48,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:33:48,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:33:48,983 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:33:48,983 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:48" (1/1) ... [2023-12-03 01:33:49,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:33:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-12-03 01:33:49,066 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-12-03 01:33:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:33:49,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:49,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:33:49,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:33:49,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:33:49,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80ea50f4-da28-4e29-91f4-82e9ed543598/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:33:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:33:49,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:33:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat