./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 d0e99b579c23cc22a276a70c2363ed9ed20405eb8e4be0ab38c77cda92397cf4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 22:48:16,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:48:16,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:48:16,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:48:16,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:48:16,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:48:16,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:48:16,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:48:16,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:48:16,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:48:16,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:48:16,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:48:16,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:48:16,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:48:16,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:48:16,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:48:16,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:48:16,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:48:16,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:48:16,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:48:16,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:48:16,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:48:16,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:48:16,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:48:16,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:48:16,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:48:16,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:48:16,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:48:16,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:48:16,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:48:16,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:48:16,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:48:16,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:48:16,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:48:16,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:48:16,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:48:16,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:48:16,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:48:16,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:48:16,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:48:16,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:48:16,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:48:16,401 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:48:16,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:48:16,401 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:48:16,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:48:16,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:48:16,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:48:16,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:48:16,402 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:48:16,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:48:16,403 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:48:16,403 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:48:16,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:48:16,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:48:16,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:48:16,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:48:16,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:48:16,404 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:48:16,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:48:16,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:48:16,404 INFO L138 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_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0e99b579c23cc22a276a70c2363ed9ed20405eb8e4be0ab38c77cda92397cf4 [2022-12-14 22:48:16,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:48:16,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:48:16,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:48:16,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:48:16,597 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:48:16,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound2.c [2022-12-14 22:48:19,205 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:48:19,361 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:48:19,362 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound2.c [2022-12-14 22:48:19,367 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/data/5a065847b/de9e4b487c33404ba2c739766a45eaab/FLAGcc7d1ab89 [2022-12-14 22:48:19,380 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/data/5a065847b/de9e4b487c33404ba2c739766a45eaab [2022-12-14 22:48:19,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:48:19,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:48:19,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:48:19,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:48:19,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:48:19,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2412e5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19, skipping insertion in model container [2022-12-14 22:48:19,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:48:19,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:48:19,508 WARN L237 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_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound2.c[458,471] [2022-12-14 22:48:19,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:48:19,530 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:48:19,540 WARN L237 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_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound2.c[458,471] [2022-12-14 22:48:19,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:48:19,555 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:48:19,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19 WrapperNode [2022-12-14 22:48:19,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:48:19,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:48:19,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:48:19,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:48:19,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,581 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-12-14 22:48:19,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:48:19,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:48:19,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:48:19,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:48:19,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,596 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:48:19,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:48:19,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:48:19,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:48:19,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:48:19,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:48:19,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:48:19,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:48:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:48:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:48:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:48:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:48:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 22:48:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 22:48:19,706 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:48:19,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:48:19,788 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:48:19,799 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:48:19,799 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:48:19,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:48:19 BoogieIcfgContainer [2022-12-14 22:48:19,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:48:19,801 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:48:19,801 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:48:19,808 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:48:19,808 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:48:19" (1/1) ... [2022-12-14 22:48:19,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:48:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-12-14 22:48:19,854 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-12-14 22:48:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:48:19,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:19,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:19,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 22:48:19,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:48:19,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-14 22:48:19,968 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-14 22:48:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:48:19,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:19,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:20,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 22:48:20,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:48:20,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:20,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-12-14 22:48:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-12-14 22:48:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 22:48:20,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:20,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:20,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 22:48:20,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:48:20,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:20,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2022-12-14 22:48:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-12-14 22:48:20,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:48:20,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:20,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:20,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 22:48:20,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:48:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:20,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2022-12-14 22:48:20,980 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2022-12-14 22:48:20,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:48:20,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:20,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:20,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 22:48:21,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:21,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:48:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:21,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2022-12-14 22:48:21,550 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2022-12-14 22:48:21,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:48:21,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:21,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:21,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 22:48:21,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:21,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:48:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2022-12-14 22:48:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2022-12-14 22:48:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 22:48:22,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:22,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:22,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 22:48:22,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:48:22,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:22,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2022-12-14 22:48:22,431 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2022-12-14 22:48:22,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:48:22,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:22,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:22,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:48:22,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:48:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:22,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2022-12-14 22:48:22,734 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2022-12-14 22:48:22,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:48:22,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:22,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:22,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 22:48:22,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:48:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 51 states and 114 transitions. [2022-12-14 22:48:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2022-12-14 22:48:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:48:24,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:24,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:24,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 22:48:24,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:48:24,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 53 states and 116 transitions. [2022-12-14 22:48:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 116 transitions. [2022-12-14 22:48:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:48:24,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:24,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:48:24,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 22:48:24,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:48:24,678 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:48:25,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:48:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2022-12-14 22:48:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2022-12-14 22:48:25,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:48:25,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:48:25,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:48:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:48:26,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:48:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:48:26,035 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2022-12-14 22:48:26,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:48:26 ImpRootNode [2022-12-14 22:48:26,055 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:48:26,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:48:26,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:48:26,055 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:48:26,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:48:19" (3/4) ... [2022-12-14 22:48:26,057 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 22:48:26,088 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:48:26,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:48:26,089 INFO L158 Benchmark]: Toolchain (without parser) took 6706.20ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 94.9MB in the beginning and 107.6MB in the end (delta: -12.8MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-12-14 22:48:26,089 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory was 98.7MB in the beginning and 98.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:48:26,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 172.77ms. Allocated memory is still 125.8MB. Free memory was 94.5MB in the beginning and 84.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:48:26,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.08ms. Allocated memory is still 125.8MB. Free memory was 84.1MB in the beginning and 82.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:48:26,091 INFO L158 Benchmark]: Boogie Preprocessor took 16.72ms. Allocated memory is still 125.8MB. Free memory was 82.8MB in the beginning and 81.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:48:26,091 INFO L158 Benchmark]: RCFGBuilder took 201.75ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 71.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 22:48:26,091 INFO L158 Benchmark]: CodeCheck took 6253.58ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 71.1MB in the beginning and 109.7MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:48:26,092 INFO L158 Benchmark]: Witness Printer took 33.13ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:48:26,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 495 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 326 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 476 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1748 IncrementalHoareTripleChecker+Invalid, 2224 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 476 mSolverCounterUnsat, 200 mSDtfsCounter, 1748 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1839 GetRequests, 1649 SyntacticMatches, 26 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11837 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 625 SizeOfPredicates, 21 NumberOfNonLiveVariables, 731 ConjunctsInSsa, 128 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 39/66 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 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int counter = 0; [L19] short k; [L20] long long y, x, c; [L21] k = __VERIFIER_nondet_short() [L23] y = 0 [L24] x = 0 [L25] c = 0 VAL [c=0, counter=0, k=3, x=0, y=0] [L27] EXPR counter++ VAL [c=0, counter=1, counter++=0, k=3, x=0, y=0] [L27] COND TRUE counter++<2 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=1] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=0, counter=1, k=3, x=0, y=0] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=1, counter=1, k=3, x=1, y=1] [L27] EXPR counter++ VAL [c=1, counter=2, counter++=1, k=3, x=1, y=1] [L27] COND TRUE counter++<2 [L28] CALL __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [\old(cond)=1, counter=2] [L10] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L28] RET __VERIFIER_assert(4*x - y*y*y*y - 2*y*y*y - y*y == 0) VAL [c=1, counter=2, k=3, x=1, y=1] [L30] COND FALSE !(!(c < k)) [L33] c = c + 1 [L34] y = y + 1 [L35] x = y * y * y + x VAL [c=2, counter=2, k=3, x=9, y=2] [L27] EXPR counter++ VAL [c=2, counter=3, counter++=2, k=3, x=9, y=2] [L27] COND FALSE !(counter++<2) [L37] CALL __VERIFIER_assert(k*y - (y*y) == 0) VAL [\old(cond)=0, counter=3] [L10] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L12] reach_error() VAL [\old(cond)=0, cond=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory was 98.7MB in the beginning and 98.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 172.77ms. Allocated memory is still 125.8MB. Free memory was 94.5MB in the beginning and 84.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.08ms. Allocated memory is still 125.8MB. Free memory was 84.1MB in the beginning and 82.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.72ms. Allocated memory is still 125.8MB. Free memory was 82.8MB in the beginning and 81.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 201.75ms. Allocated memory is still 125.8MB. Free memory was 81.5MB in the beginning and 71.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 6253.58ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 71.1MB in the beginning and 109.7MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.13ms. Allocated memory is still 151.0MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 22:48:26,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15d4ca9c-4e47-46a7-8e5e-2e978f3c7a32/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE